| 1 | <?xml version="1.0" encoding="ISO-8859-1"?> | 
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" | 
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ | 
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> | 
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| 5 | %general-entities; | 
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| 6 | ]> | 
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| 7 |  | 
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| 8 | <sect1 id="ch-system-coreutils" role="wrap"> | 
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| 9 | <?dbhtml filename="coreutils.html"?> | 
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| 10 |  | 
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| 11 | <title>Coreutils-&coreutils-version;</title> | 
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| 12 |  | 
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| 13 | <indexterm zone="ch-system-coreutils"> | 
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| 14 | <primary sortas="a-Coreutils">Coreutils</primary> | 
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| 15 | </indexterm> | 
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| 16 |  | 
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| 17 | <sect2 role="package"> | 
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| 18 | <title/> | 
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| 19 |  | 
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| 20 | <para>The Coreutils package contains utilities for showing and setting the | 
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| 21 | basic system characteristics.</para> | 
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| 22 |  | 
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| 23 | </sect2> | 
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| 24 |  | 
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| 25 | &env-target; | 
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| 26 |  | 
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| 27 | <sect2 role="installation"> | 
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| 28 | <title>Installation of Coreutils</title> | 
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| 29 |  | 
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| 30 | <para os="p1">A known issue with the <command>uname</command> program from | 
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| 31 | this package is that the <option>-p</option> switch always | 
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| 32 | returns <computeroutput>unknown</computeroutput>. The following patch | 
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| 33 | fixes this behavior for all architectures:</para> | 
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| 34 |  | 
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| 35 | <screen os="p2"><userinput>patch -Np1 -i ../&coreutils-uname-patch;</userinput></screen> | 
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| 36 |  | 
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| 37 | <para os="aa">The following command updates the timestamps on the uname | 
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| 38 | and hostname man pages so that the Makefile does not attempt to regenerate | 
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| 39 | them:</para> | 
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| 40 |  | 
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| 41 | <screen os="ab"><userinput>touch man/uname.1 man/hostname.1</userinput></screen> | 
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| 42 |  | 
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| 43 | <para os="a">Configure can not properly determine how to get free space | 
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| 44 | when cross-compiling - as a result, the <command>df</command> program will | 
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| 45 | not be built. Add the following entries to <filename>config.cache</filename> | 
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| 46 | to correct this, and fix various cross-compiling issues:</para> | 
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| 47 |  | 
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| 48 | <screen os="b"><userinput>cat > config.cache << EOF | 
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| 49 | fu_cv_sys_stat_statfs2_bsize=yes | 
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| 50 | gl_cv_func_rename_trailing_slash_bug=no | 
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| 51 | gl_cv_func_mbrtowc_incomplete_state=yes | 
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| 52 | gl_cv_func_mbrtowc_nul_retval=yes | 
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| 53 | gl_cv_func_mbrtowc_null_arg=yes | 
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| 54 | gl_cv_func_mbrtowc_retval=yes | 
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| 55 | gl_cv_func_btowc_eof=yes | 
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| 56 | gl_cv_func_wcrtomb_retval=yes | 
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| 57 | gl_cv_func_wctob_works=yes | 
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| 58 | EOF</userinput></screen> | 
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| 59 |  | 
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| 60 | <para os="c">Now prepare Coreutils for compilation:</para> | 
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| 61 |  | 
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| 62 | <screen os="d"><userinput>./configure --build=${CLFS_HOST} --host=${CLFS_TARGET} \ | 
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| 63 | --prefix=/usr --cache-file=config.cache \ | 
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| 64 | --enable-no-install-program=kill,uptime \ | 
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| 65 | --enable-install-program=hostname</userinput></screen> | 
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| 66 |  | 
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| 67 | <para os="e">Compile the package:</para> | 
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| 68 |  | 
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| 69 | <screen os="f"><userinput>make</userinput></screen> | 
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| 70 |  | 
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| 71 | <para os="g">Install the package:</para> | 
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| 72 |  | 
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| 73 | <screen os="h"><userinput>make DESTDIR=${CLFS} install</userinput></screen> | 
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| 74 |  | 
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| 75 | <para os="i">Move programs to the locations specified by the FHS:</para> | 
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| 76 |  | 
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| 77 | <screen os="j"><userinput>mv -v ${CLFS}/usr/bin/{cat,chgrp,chmod,chown,cp,date} ${CLFS}/bin | 
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| 78 | mv -v ${CLFS}/usr/bin/{dd,df,echo,false,hostname,ln,ls,mkdir} ${CLFS}/bin | 
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| 79 | mv -v ${CLFS}/usr/bin/{mv,pwd,rm,rmdir,stty,true,uname} ${CLFS}/bin | 
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| 80 | mv -v ${CLFS}/usr/bin/chroot ${CLFS}/usr/sbin</userinput></screen> | 
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| 81 |  | 
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| 82 | <para os="k">Other Coreutils programs are used by some of the scripts | 
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| 83 | in the CLFS-Bootscripts package. As <filename | 
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| 84 | class="directory">/usr</filename> may not be available during the early | 
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| 85 | stages of booting, those binaries need to be on the root partition:</para> | 
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| 86 |  | 
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| 87 | <screen os="l"><userinput>mv -v ${CLFS}/usr/bin/{[,basename,head,install,nice} ${CLFS}/bin | 
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| 88 | mv -v ${CLFS}/usr/bin/{readlink,sleep,sync,test,touch} ${CLFS}/bin | 
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| 89 | ln -sfv ../../bin/install ${CLFS}/usr/bin</userinput></screen> | 
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| 90 |  | 
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| 91 | </sect2> | 
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| 92 |  | 
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| 93 | <sect2 id="contents-coreutils" role="content"> | 
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| 94 | <title>Contents of Coreutils</title> | 
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| 95 |  | 
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| 96 | <segmentedlist> | 
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| 97 | <segtitle>Installed programs</segtitle> | 
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| 98 |  | 
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| 99 | <seglistitem> | 
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| 100 | <seg>[, base64, basename, cat, chcon, chgrp, chmod, chown, chroot, | 
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| 101 | cksum, comm, cp, csplit, cut, date, dd, df, dir, dircolors, dirname, du, | 
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| 102 | echo, env, expand, expr, factor, false, fmt, fold, groups, head, | 
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| 103 | hostid, hostname, id, install, join, link, ln, logname, ls, md5sum, | 
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| 104 | mkdir, mkfifo, mknod, mktemp, mv, nice, nl, nohup, od, paste, pathchk, | 
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| 105 | pinky, pr, printenv, printf, ptx, pwd, readlink, rm, rmdir, runcon, seq, | 
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| 106 | sha1sum, sha224sum, sha256sum, sha384sum, sha512sum, shred, shuf, | 
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| 107 | sleep, sort, split, stat, stty, sum, sync, tac, tail, tee, test, | 
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| 108 | timeout, touch, tr, true, truncate, tsort, tty, uname, unexpand, uniq, | 
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| 109 | unlink, users, vdir, wc, who, whoami, and yes</seg> | 
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| 110 | </seglistitem> | 
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| 111 | </segmentedlist> | 
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| 112 |  | 
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| 113 | <variablelist> | 
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| 114 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> | 
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| 115 | <?dbfo list-presentation="list"?> | 
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| 116 | <?dbhtml list-presentation="table"?> | 
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| 117 |  | 
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| 118 | <varlistentry id="base64"> | 
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| 119 | <term><command>base64</command></term> | 
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| 120 | <listitem> | 
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| 121 | <para>Base64 encode/decode data and print to standard output</para> | 
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| 122 | <indexterm zone="ch-system-coreutils base64"> | 
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| 123 | <primary sortas="b-base64">base64</primary> | 
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| 124 | </indexterm> | 
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| 125 | </listitem> | 
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| 126 | </varlistentry> | 
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| 127 |  | 
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| 128 | <varlistentry id="basename"> | 
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| 129 | <term><command>basename</command></term> | 
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| 130 | <listitem> | 
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| 131 | <para>Strips any path and a given suffix from a file name</para> | 
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| 132 | <indexterm zone="ch-system-coreutils basename"> | 
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| 133 | <primary sortas="b-basename">basename</primary> | 
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| 134 | </indexterm> | 
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| 135 | </listitem> | 
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| 136 | </varlistentry> | 
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| 137 |  | 
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| 138 | <varlistentry id="cat"> | 
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| 139 | <term><command>cat</command></term> | 
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| 140 | <listitem> | 
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| 141 | <para>Concatenates files to standard output</para> | 
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| 142 | <indexterm zone="ch-system-coreutils cat"> | 
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| 143 | <primary sortas="b-cat">cat</primary> | 
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| 144 | </indexterm> | 
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| 145 | </listitem> | 
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| 146 | </varlistentry> | 
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| 147 |  | 
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| 148 | <varlistentry id="chcon"> | 
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| 149 | <term><command>chcon</command></term> | 
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| 150 | <listitem> | 
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| 151 | <para>Changes security context for files and directories</para> | 
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| 152 | <indexterm zone="ch-system-coreutils chcon"> | 
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| 153 | <primary sortas="b-chcon">chcon</primary> | 
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| 154 | </indexterm> | 
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| 155 | </listitem> | 
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| 156 | </varlistentry> | 
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| 157 |  | 
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| 158 | <varlistentry id="chgrp"> | 
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| 159 | <term><command>chgrp</command></term> | 
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| 160 | <listitem> | 
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| 161 | <para>Changes the group ownership of files and directories</para> | 
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| 162 | <indexterm zone="ch-system-coreutils chgrp"> | 
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| 163 | <primary sortas="b-chgrp">chgrp</primary> | 
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| 164 | </indexterm> | 
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| 165 | </listitem> | 
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| 166 | </varlistentry> | 
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| 167 |  | 
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| 168 | <varlistentry id="chmod"> | 
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| 169 | <term><command>chmod</command></term> | 
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| 170 | <listitem> | 
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| 171 | <para>Changes the permissions of each file to the given mode; the mode | 
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| 172 | can be either a symbolic representation of the changes to make or an | 
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| 173 | octal number representing the new permissions</para> | 
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| 174 | <indexterm zone="ch-system-coreutils chmod"> | 
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| 175 | <primary sortas="b-chmod">chmod</primary> | 
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| 176 | </indexterm> | 
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| 177 | </listitem> | 
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| 178 | </varlistentry> | 
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| 179 |  | 
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| 180 | <varlistentry id="chown"> | 
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| 181 | <term><command>chown</command></term> | 
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| 182 | <listitem> | 
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| 183 | <para>Changes the user and/or group ownership of files and | 
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| 184 | directories</para> | 
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| 185 | <indexterm zone="ch-system-coreutils chown"> | 
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| 186 | <primary sortas="b-chown">chown</primary> | 
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| 187 | </indexterm> | 
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| 188 | </listitem> | 
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| 189 | </varlistentry> | 
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| 190 |  | 
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| 191 | <varlistentry id="chroot"> | 
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| 192 | <term><command>chroot</command></term> | 
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| 193 | <listitem> | 
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| 194 | <para>Runs a command with the specified directory as the | 
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| 195 | <filename class="directory">/</filename> directory</para> | 
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| 196 | <indexterm zone="ch-system-coreutils chroot"> | 
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| 197 | <primary sortas="b-chroot">chroot</primary> | 
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| 198 | </indexterm> | 
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| 199 | </listitem> | 
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| 200 | </varlistentry> | 
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| 201 |  | 
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| 202 | <varlistentry id="cksum"> | 
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| 203 | <term><command>cksum</command></term> | 
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| 204 | <listitem> | 
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| 205 | <para>Prints the Cyclic Redundancy Check (CRC) checksum and the byte | 
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| 206 | counts of each specified file</para> | 
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| 207 | <indexterm zone="ch-system-coreutils cksum"> | 
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| 208 | <primary sortas="b-cksum">cksum</primary> | 
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| 209 | </indexterm> | 
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| 210 | </listitem> | 
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| 211 | </varlistentry> | 
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| 212 |  | 
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| 213 | <varlistentry id="comm"> | 
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| 214 | <term><command>comm</command></term> | 
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| 215 | <listitem> | 
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| 216 | <para>Compares two sorted files, outputting in three columns the lines | 
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| 217 | that are unique and the lines that are common</para> | 
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| 218 | <indexterm zone="ch-system-coreutils comm"> | 
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| 219 | <primary sortas="b-comm">comm</primary> | 
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| 220 | </indexterm> | 
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| 221 | </listitem> | 
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| 222 | </varlistentry> | 
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| 223 |  | 
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| 224 | <varlistentry id="cp"> | 
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| 225 | <term><command>cp</command></term> | 
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| 226 | <listitem> | 
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| 227 | <para>Copies files</para> | 
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| 228 | <indexterm zone="ch-system-coreutils cp"> | 
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| 229 | <primary sortas="b-cp">cp</primary> | 
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| 230 | </indexterm> | 
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| 231 | </listitem> | 
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| 232 | </varlistentry> | 
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| 233 |  | 
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| 234 | <varlistentry id="csplit"> | 
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| 235 | <term><command>csplit</command></term> | 
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| 236 | <listitem> | 
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| 237 | <para>Splits a given file into several new files, separating them | 
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| 238 | according to given patterns or line numbers and outputting the byte | 
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| 239 | count of each new file</para> | 
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| 240 | <indexterm zone="ch-system-coreutils csplit"> | 
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| 241 | <primary sortas="b-csplit">csplit</primary> | 
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| 242 | </indexterm> | 
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| 243 | </listitem> | 
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| 244 | </varlistentry> | 
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| 245 |  | 
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| 246 | <varlistentry id="cut"> | 
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| 247 | <term><command>cut</command></term> | 
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| 248 | <listitem> | 
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| 249 | <para>Prints sections of lines, selecting the parts according to given | 
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| 250 | fields or positions</para> | 
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| 251 | <indexterm zone="ch-system-coreutils cut"> | 
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| 252 | <primary sortas="b-cut">cut</primary> | 
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| 253 | </indexterm> | 
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| 254 | </listitem> | 
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| 255 | </varlistentry> | 
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| 256 |  | 
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| 257 | <varlistentry id="date"> | 
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| 258 | <term><command>date</command></term> | 
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| 259 | <listitem> | 
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| 260 | <para>Displays the current time in the given format, or sets the | 
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| 261 | system date</para> | 
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| 262 | <indexterm zone="ch-system-coreutils date"> | 
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| 263 | <primary sortas="b-date">date</primary> | 
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| 264 | </indexterm> | 
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| 265 | </listitem> | 
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| 266 | </varlistentry> | 
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| 267 |  | 
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| 268 | <varlistentry id="dd"> | 
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| 269 | <term><command>dd</command> </term> | 
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| 270 | <listitem> | 
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| 271 | <para>Copies a file using the given block size and count, while | 
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| 272 | optionally performing conversions on it</para> | 
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| 273 | <indexterm zone="ch-system-coreutils dd"> | 
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| 274 | <primary sortas="b-dd">dd</primary> | 
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| 275 | </indexterm> | 
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| 276 | </listitem> | 
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| 277 | </varlistentry> | 
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| 278 |  | 
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| 279 | <varlistentry id="df"> | 
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| 280 | <term><command>df</command></term> | 
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| 281 | <listitem> | 
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| 282 | <para>Reports the amount of disk space available (and used) on all | 
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| 283 | mounted file systems, or only on the file systems holding the selected | 
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| 284 | files</para> | 
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| 285 | <indexterm zone="ch-system-coreutils df"> | 
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| 286 | <primary sortas="b-df">df</primary> | 
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| 287 | </indexterm> | 
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| 288 | </listitem> | 
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| 289 | </varlistentry> | 
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| 290 |  | 
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| 291 | <varlistentry id="dir"> | 
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| 292 | <term><command>dir</command></term> | 
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| 293 | <listitem> | 
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| 294 | <para>Lists the contents of each given directory (the same as | 
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| 295 | the <command>ls</command> command)</para> | 
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| 296 | <indexterm zone="ch-system-coreutils dir"> | 
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| 297 | <primary sortas="b-dir">dir</primary> | 
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| 298 | </indexterm> | 
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| 299 | </listitem> | 
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| 300 | </varlistentry> | 
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| 301 |  | 
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| 302 | <varlistentry id="dircolors"> | 
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| 303 | <term><command>dircolors</command></term> | 
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| 304 | <listitem> | 
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| 305 | <para>Outputs commands to set the <envar>LS_COLOR</envar> | 
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| 306 | environment variable to change the color scheme used by | 
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| 307 | <command>ls</command></para> | 
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| 308 | <indexterm zone="ch-system-coreutils dircolors"> | 
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| 309 | <primary sortas="b-dircolors">dircolors</primary> | 
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| 310 | </indexterm> | 
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| 311 | </listitem> | 
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| 312 | </varlistentry> | 
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| 313 |  | 
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| 314 | <varlistentry id="dirname"> | 
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| 315 | <term><command>dirname</command></term> | 
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| 316 | <listitem> | 
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| 317 | <para>Strips the non-directory suffix from a file name</para> | 
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| 318 | <indexterm zone="ch-system-coreutils dirname"> | 
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| 319 | <primary sortas="b-dirname">dirname</primary> | 
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| 320 | </indexterm> | 
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| 321 | </listitem> | 
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| 322 | </varlistentry> | 
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| 323 |  | 
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| 324 | <varlistentry id="du"> | 
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| 325 | <term><command>du</command></term> | 
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| 326 | <listitem> | 
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| 327 | <para>Reports the amount of disk space used by the current directory, | 
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| 328 | by each of the given directories (including all subdirectories) or by | 
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| 329 | each of the given files</para> | 
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| 330 | <indexterm zone="ch-system-coreutils du"> | 
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| 331 | <primary sortas="b-du">du</primary> | 
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| 332 | </indexterm> | 
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| 333 | </listitem> | 
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| 334 | </varlistentry> | 
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| 335 |  | 
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| 336 | <varlistentry id="echo"> | 
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| 337 | <term><command>echo</command></term> | 
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| 338 | <listitem> | 
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| 339 | <para>Displays the given strings</para> | 
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| 340 | <indexterm zone="ch-system-coreutils echo"> | 
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| 341 | <primary sortas="b-echo">echo</primary> | 
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| 342 | </indexterm> | 
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| 343 | </listitem> | 
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| 344 | </varlistentry> | 
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| 345 |  | 
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| 346 | <varlistentry id="env"> | 
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| 347 | <term><command>env</command></term> | 
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| 348 | <listitem> | 
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| 349 | <para>Runs a command in a modified environment</para> | 
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| 350 | <indexterm zone="ch-system-coreutils env"> | 
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| 351 | <primary sortas="b-env">env</primary> | 
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| 352 | </indexterm> | 
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| 353 | </listitem> | 
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| 354 | </varlistentry> | 
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| 355 |  | 
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| 356 | <varlistentry id="expand"> | 
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| 357 | <term><command>expand</command></term> | 
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| 358 | <listitem> | 
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| 359 | <para>Converts tabs to spaces</para> | 
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| 360 | <indexterm zone="ch-system-coreutils expand"> | 
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| 361 | <primary sortas="b-expand">expand</primary> | 
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| 362 | </indexterm> | 
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| 363 | </listitem> | 
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| 364 | </varlistentry> | 
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| 365 |  | 
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| 366 | <varlistentry id="expr"> | 
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| 367 | <term><command>expr</command></term> | 
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| 368 | <listitem> | 
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| 369 | <para>Evaluates expressions</para> | 
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| 370 | <indexterm zone="ch-system-coreutils expr"> | 
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| 371 | <primary sortas="b-expr">expr</primary> | 
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| 372 | </indexterm> | 
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| 373 | </listitem> | 
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| 374 | </varlistentry> | 
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| 375 |  | 
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| 376 | <varlistentry id="factor"> | 
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| 377 | <term><command>factor</command></term> | 
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| 378 | <listitem> | 
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| 379 | <para>Prints the prime factors of all specified integer numbers</para> | 
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| 380 | <indexterm zone="ch-system-coreutils factor"> | 
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| 381 | <primary sortas="b-factor">factor</primary> | 
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| 382 | </indexterm> | 
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| 383 | </listitem> | 
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| 384 | </varlistentry> | 
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| 385 |  | 
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| 386 | <varlistentry id="false"> | 
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| 387 | <term><command>false</command></term> | 
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| 388 | <listitem> | 
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| 389 | <para>Does nothing, unsuccessfully; it always exits with a status code | 
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| 390 | indicating failure</para> | 
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| 391 | <indexterm zone="ch-system-coreutils false"> | 
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| 392 | <primary sortas="b-false">false</primary> | 
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| 393 | </indexterm> | 
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| 394 | </listitem> | 
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| 395 | </varlistentry> | 
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| 396 |  | 
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| 397 | <varlistentry id="fmt"> | 
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| 398 | <term><command>fmt</command></term> | 
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| 399 | <listitem> | 
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| 400 | <para>Reformats the paragraphs in the given files</para> | 
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| 401 | <indexterm zone="ch-system-coreutils fmt"> | 
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| 402 | <primary sortas="b-fmt">fmt</primary> | 
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| 403 | </indexterm> | 
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| 404 | </listitem> | 
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| 405 | </varlistentry> | 
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| 406 |  | 
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| 407 | <varlistentry id="fold"> | 
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| 408 | <term><command>fold</command></term> | 
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| 409 | <listitem> | 
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| 410 | <para>Wraps the lines in the given files</para> | 
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| 411 | <indexterm zone="ch-system-coreutils fold"> | 
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| 412 | <primary sortas="b-fold">fold</primary> | 
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| 413 | </indexterm> | 
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| 414 | </listitem> | 
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| 415 | </varlistentry> | 
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| 416 |  | 
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| 417 | <varlistentry id="groups"> | 
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| 418 | <term><command>groups</command></term> | 
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| 419 | <listitem> | 
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| 420 | <para>Reports a user's group memberships</para> | 
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| 421 | <indexterm zone="ch-system-coreutils groups"> | 
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| 422 | <primary sortas="b-groups">groups</primary> | 
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| 423 | </indexterm> | 
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| 424 | </listitem> | 
|---|
| 425 | </varlistentry> | 
|---|
| 426 |  | 
|---|
| 427 | <varlistentry id="head"> | 
|---|
| 428 | <term><command>head</command></term> | 
|---|
| 429 | <listitem> | 
|---|
| 430 | <para>Prints the first ten lines (or the given number of lines) | 
|---|
| 431 | of each given file</para> | 
|---|
| 432 | <indexterm zone="ch-system-coreutils head"> | 
|---|
| 433 | <primary sortas="b-head">head</primary> | 
|---|
| 434 | </indexterm> | 
|---|
| 435 | </listitem> | 
|---|
| 436 | </varlistentry> | 
|---|
| 437 |  | 
|---|
| 438 | <varlistentry id="hostid"> | 
|---|
| 439 | <term><command>hostid</command></term> | 
|---|
| 440 | <listitem> | 
|---|
| 441 | <para>Reports the numeric identifier (in hexadecimal) of the host</para> | 
|---|
| 442 | <indexterm zone="ch-system-coreutils hostid"> | 
|---|
| 443 | <primary sortas="b-hostid">hostid</primary> | 
|---|
| 444 | </indexterm> | 
|---|
| 445 | </listitem> | 
|---|
| 446 | </varlistentry> | 
|---|
| 447 |  | 
|---|
| 448 | <varlistentry id="hostname"> | 
|---|
| 449 | <term><command>hostname</command></term> | 
|---|
| 450 | <listitem> | 
|---|
| 451 | <para>Reports or sets the name of the host</para> | 
|---|
| 452 | <indexterm zone="ch-system-coreutils hostname"> | 
|---|
| 453 | <primary sortas="b-hostname">hostname</primary> | 
|---|
| 454 | </indexterm> | 
|---|
| 455 | </listitem> | 
|---|
| 456 | </varlistentry> | 
|---|
| 457 |  | 
|---|
| 458 | <varlistentry id="id"> | 
|---|
| 459 | <term><command>id</command></term> | 
|---|
| 460 | <listitem> | 
|---|
| 461 | <para>Reports the effective user ID, group ID, and group memberships | 
|---|
| 462 | of the current user or specified user</para> | 
|---|
| 463 | <indexterm zone="ch-system-coreutils id"> | 
|---|
| 464 | <primary sortas="b-id">id</primary> | 
|---|
| 465 | </indexterm> | 
|---|
| 466 | </listitem> | 
|---|
| 467 | </varlistentry> | 
|---|
| 468 |  | 
|---|
| 469 | <varlistentry id="install"> | 
|---|
| 470 | <term><command>install</command> </term> | 
|---|
| 471 | <listitem> | 
|---|
| 472 | <para>Copies files while setting their permission modes and, if | 
|---|
| 473 | possible, their owner and group</para> | 
|---|
| 474 | <indexterm zone="ch-system-coreutils install"> | 
|---|
| 475 | <primary sortas="b-install">install</primary> | 
|---|
| 476 | </indexterm> | 
|---|
| 477 | </listitem> | 
|---|
| 478 | </varlistentry> | 
|---|
| 479 |  | 
|---|
| 480 | <varlistentry id="join"> | 
|---|
| 481 | <term><command>join</command></term> | 
|---|
| 482 | <listitem> | 
|---|
| 483 | <para>Joins the lines that have identical join fields from two | 
|---|
| 484 | separate files</para> | 
|---|
| 485 | <indexterm zone="ch-system-coreutils join"> | 
|---|
| 486 | <primary sortas="b-join">join</primary> | 
|---|
| 487 | </indexterm> | 
|---|
| 488 | </listitem> | 
|---|
| 489 | </varlistentry> | 
|---|
| 490 |  | 
|---|
| 491 | <varlistentry id="link"> | 
|---|
| 492 | <term><command>link</command></term> | 
|---|
| 493 | <listitem> | 
|---|
| 494 | <para>Creates a hard link with the given name to a file</para> | 
|---|
| 495 | <indexterm zone="ch-system-coreutils link"> | 
|---|
| 496 | <primary sortas="b-link">link</primary> | 
|---|
| 497 | </indexterm> | 
|---|
| 498 | </listitem> | 
|---|
| 499 | </varlistentry> | 
|---|
| 500 |  | 
|---|
| 501 | <varlistentry id="ln"> | 
|---|
| 502 | <term><command>ln</command></term> | 
|---|
| 503 | <listitem> | 
|---|
| 504 | <para>Makes hard links or soft (symbolic) links between files</para> | 
|---|
| 505 | <indexterm zone="ch-system-coreutils ln"> | 
|---|
| 506 | <primary sortas="b-ln">ln</primary> | 
|---|
| 507 | </indexterm> | 
|---|
| 508 | </listitem> | 
|---|
| 509 | </varlistentry> | 
|---|
| 510 |  | 
|---|
| 511 | <varlistentry id="logname"> | 
|---|
| 512 | <term><command>logname</command></term> | 
|---|
| 513 | <listitem> | 
|---|
| 514 | <para>Reports the current user's login name</para> | 
|---|
| 515 | <indexterm zone="ch-system-coreutils logname"> | 
|---|
| 516 | <primary sortas="b-logname">logname</primary> | 
|---|
| 517 | </indexterm> | 
|---|
| 518 | </listitem> | 
|---|
| 519 | </varlistentry> | 
|---|
| 520 |  | 
|---|
| 521 | <varlistentry id="ls"> | 
|---|
| 522 | <term><command>ls</command></term> | 
|---|
| 523 | <listitem> | 
|---|
| 524 | <para>Lists the contents of each given directory</para> | 
|---|
| 525 | <indexterm zone="ch-system-coreutils ls"> | 
|---|
| 526 | <primary sortas="b-ls">ls</primary> | 
|---|
| 527 | </indexterm> | 
|---|
| 528 | </listitem> | 
|---|
| 529 | </varlistentry> | 
|---|
| 530 |  | 
|---|
| 531 | <varlistentry id="md5sum"> | 
|---|
| 532 | <term><command>md5sum</command></term> | 
|---|
| 533 | <listitem> | 
|---|
| 534 | <para>Reports or checks Message Digest 5 (MD5) checksums</para> | 
|---|
| 535 | <indexterm zone="ch-system-coreutils md5sum"> | 
|---|
| 536 | <primary sortas="b-md5sum">md5sum</primary> | 
|---|
| 537 | </indexterm> | 
|---|
| 538 | </listitem> | 
|---|
| 539 | </varlistentry> | 
|---|
| 540 |  | 
|---|
| 541 | <varlistentry id="mkdir"> | 
|---|
| 542 | <term><command>mkdir</command></term> | 
|---|
| 543 | <listitem> | 
|---|
| 544 | <para>Creates directories with the given names</para> | 
|---|
| 545 | <indexterm zone="ch-system-coreutils mkdir"> | 
|---|
| 546 | <primary sortas="b-mkdir">mkdir</primary> | 
|---|
| 547 | </indexterm> | 
|---|
| 548 | </listitem> | 
|---|
| 549 | </varlistentry> | 
|---|
| 550 |  | 
|---|
| 551 | <varlistentry id="mkfifo"> | 
|---|
| 552 | <term><command>mkfifo</command></term> | 
|---|
| 553 | <listitem> | 
|---|
| 554 | <para>Creates First-In, First-Outs (FIFOs), a <quote>named | 
|---|
| 555 | pipe</quote> in UNIX parlance, with the given names</para> | 
|---|
| 556 | <indexterm zone="ch-system-coreutils mkfifo"> | 
|---|
| 557 | <primary sortas="b-mkfifo">mkfifo</primary> | 
|---|
| 558 | </indexterm> | 
|---|
| 559 | </listitem> | 
|---|
| 560 | </varlistentry> | 
|---|
| 561 |  | 
|---|
| 562 | <varlistentry id="mknod"> | 
|---|
| 563 | <term><command>mknod</command></term> | 
|---|
| 564 | <listitem> | 
|---|
| 565 | <para>Creates device nodes with the given names; a device node is a | 
|---|
| 566 | character special file, a block special file, or a FIFO</para> | 
|---|
| 567 | <indexterm zone="ch-system-coreutils mknod"> | 
|---|
| 568 | <primary sortas="b-mknod">mknod</primary> | 
|---|
| 569 | </indexterm> | 
|---|
| 570 | </listitem> | 
|---|
| 571 | </varlistentry> | 
|---|
| 572 |  | 
|---|
| 573 | <varlistentry id="mktemp"> | 
|---|
| 574 | <term><command>mktemp</command></term> | 
|---|
| 575 | <listitem> | 
|---|
| 576 | <para>Creates temporary files in a secure manner; it is used in | 
|---|
| 577 | scripts</para> | 
|---|
| 578 | <indexterm zone="ch-system-coreutils mktemp"> | 
|---|
| 579 | <primary sortas="b-mktemp">mktemp</primary> | 
|---|
| 580 | </indexterm> | 
|---|
| 581 | </listitem> | 
|---|
| 582 | </varlistentry> | 
|---|
| 583 |  | 
|---|
| 584 | <varlistentry id="mv"> | 
|---|
| 585 | <term><command>mv</command></term> | 
|---|
| 586 | <listitem> | 
|---|
| 587 | <para>Moves or renames files or directories</para> | 
|---|
| 588 | <indexterm zone="ch-system-coreutils mv"> | 
|---|
| 589 | <primary sortas="b-mv">mv</primary> | 
|---|
| 590 | </indexterm> | 
|---|
| 591 | </listitem> | 
|---|
| 592 | </varlistentry> | 
|---|
| 593 |  | 
|---|
| 594 | <varlistentry id="nice"> | 
|---|
| 595 | <term><command>nice</command></term> | 
|---|
| 596 | <listitem> | 
|---|
| 597 | <para>Runs a program with modified scheduling priority</para> | 
|---|
| 598 | <indexterm zone="ch-system-coreutils nice"> | 
|---|
| 599 | <primary sortas="b-nice">nice</primary> | 
|---|
| 600 | </indexterm> | 
|---|
| 601 | </listitem> | 
|---|
| 602 | </varlistentry> | 
|---|
| 603 |  | 
|---|
| 604 | <varlistentry id="nl"> | 
|---|
| 605 | <term><command>nl</command></term> | 
|---|
| 606 | <listitem> | 
|---|
| 607 | <para>Numbers the lines from the given files</para> | 
|---|
| 608 | <indexterm zone="ch-system-coreutils nl"> | 
|---|
| 609 | <primary sortas="b-nl">nl</primary> | 
|---|
| 610 | </indexterm> | 
|---|
| 611 | </listitem> | 
|---|
| 612 | </varlistentry> | 
|---|
| 613 |  | 
|---|
| 614 | <varlistentry id="nohup"> | 
|---|
| 615 | <term><command>nohup</command></term> | 
|---|
| 616 | <listitem> | 
|---|
| 617 | <para>Runs a command immune to hangups, with its output redirected to | 
|---|
| 618 | a log file</para> | 
|---|
| 619 | <indexterm zone="ch-system-coreutils nohup"> | 
|---|
| 620 | <primary sortas="b-nohup">nohup</primary> | 
|---|
| 621 | </indexterm> | 
|---|
| 622 | </listitem> | 
|---|
| 623 | </varlistentry> | 
|---|
| 624 |  | 
|---|
| 625 | <varlistentry id="od"> | 
|---|
| 626 | <term><command>od</command></term> | 
|---|
| 627 | <listitem> | 
|---|
| 628 | <para>Dumps files in octal and other formats</para> | 
|---|
| 629 | <indexterm zone="ch-system-coreutils od"> | 
|---|
| 630 | <primary sortas="b-od">od</primary> | 
|---|
| 631 | </indexterm> | 
|---|
| 632 | </listitem> | 
|---|
| 633 | </varlistentry> | 
|---|
| 634 |  | 
|---|
| 635 | <varlistentry id="paste"> | 
|---|
| 636 | <term><command>paste</command></term> | 
|---|
| 637 | <listitem> | 
|---|
| 638 | <para>Merges the given files, joining sequentially corresponding lines | 
|---|
| 639 | side by side, separated by tab characters</para> | 
|---|
| 640 | <indexterm zone="ch-system-coreutils paste"> | 
|---|
| 641 | <primary sortas="b-paste">paste</primary> | 
|---|
| 642 | </indexterm> | 
|---|
| 643 | </listitem> | 
|---|
| 644 | </varlistentry> | 
|---|
| 645 |  | 
|---|
| 646 | <varlistentry id="pathchk"> | 
|---|
| 647 | <term><command>pathchk</command></term> | 
|---|
| 648 | <listitem> | 
|---|
| 649 | <para>Checks if file names are valid or portable</para> | 
|---|
| 650 | <indexterm zone="ch-system-coreutils pathchk"> | 
|---|
| 651 | <primary sortas="b-pathchk">pathchk</primary> | 
|---|
| 652 | </indexterm> | 
|---|
| 653 | </listitem> | 
|---|
| 654 | </varlistentry> | 
|---|
| 655 |  | 
|---|
| 656 | <varlistentry id="pinky"> | 
|---|
| 657 | <term><command>pinky</command></term> | 
|---|
| 658 | <listitem> | 
|---|
| 659 | <para>Is a lightweight finger client; it reports some information | 
|---|
| 660 | about the given users</para> | 
|---|
| 661 | <indexterm zone="ch-system-coreutils pinky"> | 
|---|
| 662 | <primary sortas="b-pinky">pinky</primary> | 
|---|
| 663 | </indexterm> | 
|---|
| 664 | </listitem> | 
|---|
| 665 | </varlistentry> | 
|---|
| 666 |  | 
|---|
| 667 | <varlistentry id="pr"> | 
|---|
| 668 | <term><command>pr</command></term> | 
|---|
| 669 | <listitem> | 
|---|
| 670 | <para>Paginates and columnates files for printing</para> | 
|---|
| 671 | <indexterm zone="ch-system-coreutils pr"> | 
|---|
| 672 | <primary sortas="b-pr">pr</primary> | 
|---|
| 673 | </indexterm> | 
|---|
| 674 | </listitem> | 
|---|
| 675 | </varlistentry> | 
|---|
| 676 |  | 
|---|
| 677 | <varlistentry id="printenv"> | 
|---|
| 678 | <term><command>printenv</command></term> | 
|---|
| 679 | <listitem> | 
|---|
| 680 | <para>Prints the environment</para> | 
|---|
| 681 | <indexterm zone="ch-system-coreutils printenv"> | 
|---|
| 682 | <primary sortas="b-printenv">printenv</primary> | 
|---|
| 683 | </indexterm> | 
|---|
| 684 | </listitem> | 
|---|
| 685 | </varlistentry> | 
|---|
| 686 |  | 
|---|
| 687 | <varlistentry id="printf"> | 
|---|
| 688 | <term><command>printf</command></term> | 
|---|
| 689 | <listitem> | 
|---|
| 690 | <para>Prints the given arguments according to the given format, much | 
|---|
| 691 | like the C printf function</para> | 
|---|
| 692 | <indexterm zone="ch-system-coreutils printf"> | 
|---|
| 693 | <primary sortas="b-printf">printf</primary> | 
|---|
| 694 | </indexterm> | 
|---|
| 695 | </listitem> | 
|---|
| 696 | </varlistentry> | 
|---|
| 697 |  | 
|---|
| 698 | <varlistentry id="ptx"> | 
|---|
| 699 | <term><command>ptx</command></term> | 
|---|
| 700 | <listitem> | 
|---|
| 701 | <para>Produces a permuted index from the contents of the given files, | 
|---|
| 702 | with each keyword in its context</para> | 
|---|
| 703 | <indexterm zone="ch-system-coreutils ptx"> | 
|---|
| 704 | <primary sortas="b-ptx">ptx</primary> | 
|---|
| 705 | </indexterm> | 
|---|
| 706 | </listitem> | 
|---|
| 707 | </varlistentry> | 
|---|
| 708 |  | 
|---|
| 709 | <varlistentry id="pwd"> | 
|---|
| 710 | <term><command>pwd</command></term> | 
|---|
| 711 | <listitem> | 
|---|
| 712 | <para>Reports the name of the current working directory</para> | 
|---|
| 713 | <indexterm zone="ch-system-coreutils pwd"> | 
|---|
| 714 | <primary sortas="b-pwd">pwd</primary> | 
|---|
| 715 | </indexterm> | 
|---|
| 716 | </listitem> | 
|---|
| 717 | </varlistentry> | 
|---|
| 718 |  | 
|---|
| 719 | <varlistentry id="readlink"> | 
|---|
| 720 | <term><command>readlink</command></term> | 
|---|
| 721 | <listitem> | 
|---|
| 722 | <para>Reports the value of the given symbolic link</para> | 
|---|
| 723 | <indexterm zone="ch-system-coreutils readlink"> | 
|---|
| 724 | <primary sortas="b-readlink">readlink</primary> | 
|---|
| 725 | </indexterm> | 
|---|
| 726 | </listitem> | 
|---|
| 727 | </varlistentry> | 
|---|
| 728 |  | 
|---|
| 729 | <varlistentry id="rm"> | 
|---|
| 730 | <term><command>rm</command></term> | 
|---|
| 731 | <listitem> | 
|---|
| 732 | <para>Removes files or directories</para> | 
|---|
| 733 | <indexterm zone="ch-system-coreutils rm"> | 
|---|
| 734 | <primary sortas="b-rm">rm</primary> | 
|---|
| 735 | </indexterm> | 
|---|
| 736 | </listitem> | 
|---|
| 737 | </varlistentry> | 
|---|
| 738 |  | 
|---|
| 739 | <varlistentry id="rmdir"> | 
|---|
| 740 | <term><command>rmdir</command></term> | 
|---|
| 741 | <listitem> | 
|---|
| 742 | <para>Removes directories if they are empty</para> | 
|---|
| 743 | <indexterm zone="ch-system-coreutils rmdir"> | 
|---|
| 744 | <primary sortas="b-rmdir">rmdir</primary> | 
|---|
| 745 | </indexterm> | 
|---|
| 746 | </listitem> | 
|---|
| 747 | </varlistentry> | 
|---|
| 748 |  | 
|---|
| 749 | <varlistentry id="runcon"> | 
|---|
| 750 | <term><command>runcon</command></term> | 
|---|
| 751 | <listitem> | 
|---|
| 752 | <para>Runs a command with specified security context</para> | 
|---|
| 753 | <indexterm zone="ch-system-coreutils runcon"> | 
|---|
| 754 | <primary sortas="b-runcon">runcon</primary> | 
|---|
| 755 | </indexterm> | 
|---|
| 756 | </listitem> | 
|---|
| 757 | </varlistentry> | 
|---|
| 758 |  | 
|---|
| 759 | <varlistentry id="seq"> | 
|---|
| 760 | <term><command>seq</command></term> | 
|---|
| 761 | <listitem> | 
|---|
| 762 | <para>Prints a sequence of numbers within a given range and with a | 
|---|
| 763 | given increment</para> | 
|---|
| 764 | <indexterm zone="ch-system-coreutils seq"> | 
|---|
| 765 | <primary sortas="b-seq">seq</primary> | 
|---|
| 766 | </indexterm> | 
|---|
| 767 | </listitem> | 
|---|
| 768 | </varlistentry> | 
|---|
| 769 |  | 
|---|
| 770 | <varlistentry id="sha1sum"> | 
|---|
| 771 | <term><command>sha1sum</command></term> | 
|---|
| 772 | <listitem> | 
|---|
| 773 | <para>Prints or checks 160-bit Secure Hash Algorithm 1 (SHA1) | 
|---|
| 774 | checksums</para> | 
|---|
| 775 | <indexterm zone="ch-system-coreutils sha1sum"> | 
|---|
| 776 | <primary sortas="b-sha1sum">sha1sum</primary> | 
|---|
| 777 | </indexterm> | 
|---|
| 778 | </listitem> | 
|---|
| 779 | </varlistentry> | 
|---|
| 780 |  | 
|---|
| 781 | <varlistentry id="sha224sum"> | 
|---|
| 782 | <term><command>sha224sum</command></term> | 
|---|
| 783 | <listitem> | 
|---|
| 784 | <para>Prints or checks SHA224 checksums</para> | 
|---|
| 785 | <indexterm zone="ch-system-coreutils sha224sum"> | 
|---|
| 786 | <primary sortas="b-sha224sum">sha224sum</primary> | 
|---|
| 787 | </indexterm> | 
|---|
| 788 | </listitem> | 
|---|
| 789 | </varlistentry> | 
|---|
| 790 |  | 
|---|
| 791 | <varlistentry id="sha256sum"> | 
|---|
| 792 | <term><command>sha256sum</command></term> | 
|---|
| 793 | <listitem> | 
|---|
| 794 | <para>Prints or checks SHA256 checksums</para> | 
|---|
| 795 | <indexterm zone="ch-system-coreutils sha256sum"> | 
|---|
| 796 | <primary sortas="b-sha256sum">sha256sum</primary> | 
|---|
| 797 | </indexterm> | 
|---|
| 798 | </listitem> | 
|---|
| 799 | </varlistentry> | 
|---|
| 800 |  | 
|---|
| 801 | <varlistentry id="sha384sum"> | 
|---|
| 802 | <term><command>sha384sum</command></term> | 
|---|
| 803 | <listitem> | 
|---|
| 804 | <para>Prints or checks SHA384 checksums</para> | 
|---|
| 805 | <indexterm zone="ch-system-coreutils sha384sum"> | 
|---|
| 806 | <primary sortas="b-sha384sum">sha384sum</primary> | 
|---|
| 807 | </indexterm> | 
|---|
| 808 | </listitem> | 
|---|
| 809 | </varlistentry> | 
|---|
| 810 |  | 
|---|
| 811 | <varlistentry id="sha512sum"> | 
|---|
| 812 | <term><command>sha512sum</command></term> | 
|---|
| 813 | <listitem> | 
|---|
| 814 | <para>Prints or checks SHA512 checksums</para> | 
|---|
| 815 | <indexterm zone="ch-system-coreutils sha512sum"> | 
|---|
| 816 | <primary sortas="b-sha512sum">sha512sum</primary> | 
|---|
| 817 | </indexterm> | 
|---|
| 818 | </listitem> | 
|---|
| 819 | </varlistentry> | 
|---|
| 820 |  | 
|---|
| 821 | <varlistentry id="shred"> | 
|---|
| 822 | <term><command>shred</command></term> | 
|---|
| 823 | <listitem> | 
|---|
| 824 | <para>Overwrites the given files repeatedly with complex patterns, | 
|---|
| 825 | making it difficult to recover the data</para> | 
|---|
| 826 | <indexterm zone="ch-system-coreutils shred"> | 
|---|
| 827 | <primary sortas="b-shred">shred</primary> | 
|---|
| 828 | </indexterm> | 
|---|
| 829 | </listitem> | 
|---|
| 830 | </varlistentry> | 
|---|
| 831 |  | 
|---|
| 832 | <varlistentry id="shuf"> | 
|---|
| 833 | <term><command>shuf</command></term> | 
|---|
| 834 | <listitem> | 
|---|
| 835 | <para>Write a random permutation of the input lines to standard output or a file</para> | 
|---|
| 836 | <indexterm zone="ch-system-coreutils shuf"> | 
|---|
| 837 | <primary sortas="b-shuf">shuf</primary> | 
|---|
| 838 | </indexterm> | 
|---|
| 839 | </listitem> | 
|---|
| 840 | </varlistentry> | 
|---|
| 841 |  | 
|---|
| 842 | <varlistentry id="sleep"> | 
|---|
| 843 | <term><command>sleep</command></term> | 
|---|
| 844 | <listitem> | 
|---|
| 845 | <para>Pauses for the given amount of time</para> | 
|---|
| 846 | <indexterm zone="ch-system-coreutils sleep"> | 
|---|
| 847 | <primary sortas="b-sleep">sleep</primary> | 
|---|
| 848 | </indexterm> | 
|---|
| 849 | </listitem> | 
|---|
| 850 | </varlistentry> | 
|---|
| 851 |  | 
|---|
| 852 | <varlistentry id="sort"> | 
|---|
| 853 | <term><command>sort</command></term> | 
|---|
| 854 | <listitem> | 
|---|
| 855 | <para>Sorts the lines from the given files</para> | 
|---|
| 856 | <indexterm zone="ch-system-coreutils sort"> | 
|---|
| 857 | <primary sortas="b-sort">sort</primary> | 
|---|
| 858 | </indexterm> | 
|---|
| 859 | </listitem> | 
|---|
| 860 | </varlistentry> | 
|---|
| 861 |  | 
|---|
| 862 | <varlistentry id="split"> | 
|---|
| 863 | <term><command>split</command></term> | 
|---|
| 864 | <listitem> | 
|---|
| 865 | <para>Splits the given file into pieces, by size or by number of | 
|---|
| 866 | lines</para> | 
|---|
| 867 | <indexterm zone="ch-system-coreutils split"> | 
|---|
| 868 | <primary sortas="b-split">split</primary> | 
|---|
| 869 | </indexterm> | 
|---|
| 870 | </listitem> | 
|---|
| 871 | </varlistentry> | 
|---|
| 872 |  | 
|---|
| 873 | <varlistentry id="stat"> | 
|---|
| 874 | <term><command>stat</command></term> | 
|---|
| 875 | <listitem> | 
|---|
| 876 | <para>Displays file or filesystem status</para> | 
|---|
| 877 | <indexterm zone="ch-system-coreutils stat"> | 
|---|
| 878 | <primary sortas="b-stat">stat</primary> | 
|---|
| 879 | </indexterm> | 
|---|
| 880 | </listitem> | 
|---|
| 881 | </varlistentry> | 
|---|
| 882 |  | 
|---|
| 883 | <varlistentry id="stty"> | 
|---|
| 884 | <term><command>stty</command></term> | 
|---|
| 885 | <listitem> | 
|---|
| 886 | <para>Sets or reports terminal line settings</para> | 
|---|
| 887 | <indexterm zone="ch-system-coreutils stty"> | 
|---|
| 888 | <primary sortas="b-stty">stty</primary> | 
|---|
| 889 | </indexterm> | 
|---|
| 890 | </listitem> | 
|---|
| 891 | </varlistentry> | 
|---|
| 892 |  | 
|---|
| 893 | <varlistentry id="sum"> | 
|---|
| 894 | <term><command>sum</command></term> | 
|---|
| 895 | <listitem> | 
|---|
| 896 | <para>Prints checksum and block counts for each given file</para> | 
|---|
| 897 | <indexterm zone="ch-system-coreutils sum"> | 
|---|
| 898 | <primary sortas="b-sum">sum</primary> | 
|---|
| 899 | </indexterm> | 
|---|
| 900 | </listitem> | 
|---|
| 901 | </varlistentry> | 
|---|
| 902 |  | 
|---|
| 903 | <varlistentry id="sync"> | 
|---|
| 904 | <term><command>sync</command></term> | 
|---|
| 905 | <listitem> | 
|---|
| 906 | <para>Flushes file system buffers; it forces changed blocks to disk | 
|---|
| 907 | and updates the super block</para> | 
|---|
| 908 | <indexterm zone="ch-system-coreutils sync"> | 
|---|
| 909 | <primary sortas="b-sync">sync</primary> | 
|---|
| 910 | </indexterm> | 
|---|
| 911 | </listitem> | 
|---|
| 912 | </varlistentry> | 
|---|
| 913 |  | 
|---|
| 914 | <varlistentry id="tac"> | 
|---|
| 915 | <term><command>tac</command></term> | 
|---|
| 916 | <listitem> | 
|---|
| 917 | <para>Concatenates the given files in reverse</para> | 
|---|
| 918 | <indexterm zone="ch-system-coreutils tac"> | 
|---|
| 919 | <primary sortas="b-tac">tac</primary> | 
|---|
| 920 | </indexterm> | 
|---|
| 921 | </listitem> | 
|---|
| 922 | </varlistentry> | 
|---|
| 923 |  | 
|---|
| 924 | <varlistentry id="tail"> | 
|---|
| 925 | <term><command>tail</command></term> | 
|---|
| 926 | <listitem> | 
|---|
| 927 | <para>Prints the last ten lines (or the given number of lines) of each | 
|---|
| 928 | given file</para> | 
|---|
| 929 | <indexterm zone="ch-system-coreutils tail"> | 
|---|
| 930 | <primary sortas="b-tail">tail</primary> | 
|---|
| 931 | </indexterm> | 
|---|
| 932 | </listitem> | 
|---|
| 933 | </varlistentry> | 
|---|
| 934 |  | 
|---|
| 935 | <varlistentry id="tee"> | 
|---|
| 936 | <term><command>tee</command></term> | 
|---|
| 937 | <listitem> | 
|---|
| 938 | <para>Reads from standard input while writing both to standard output | 
|---|
| 939 | and to the given files</para> | 
|---|
| 940 | <indexterm zone="ch-system-coreutils tee"> | 
|---|
| 941 | <primary sortas="b-tee">tee</primary> | 
|---|
| 942 | </indexterm> | 
|---|
| 943 | </listitem> | 
|---|
| 944 | </varlistentry> | 
|---|
| 945 |  | 
|---|
| 946 | <varlistentry id="test"> | 
|---|
| 947 | <term><command>test</command> or <command>[</command></term> | 
|---|
| 948 | <listitem> | 
|---|
| 949 | <para>Compares values and checks file types</para> | 
|---|
| 950 | <indexterm zone="ch-system-coreutils test"> | 
|---|
| 951 | <primary sortas="b-test">test</primary> | 
|---|
| 952 | </indexterm> | 
|---|
| 953 | </listitem> | 
|---|
| 954 | </varlistentry> | 
|---|
| 955 |  | 
|---|
| 956 | <varlistentry id="timeout"> | 
|---|
| 957 | <term><command>timeout</command></term> | 
|---|
| 958 | <listitem> | 
|---|
| 959 | <para>Runs a command with a time limit</para> | 
|---|
| 960 | <indexterm zone="ch-system-coreutils timeout"> | 
|---|
| 961 | <primary sortas="b-timeout">timeout</primary> | 
|---|
| 962 | </indexterm> | 
|---|
| 963 | </listitem> | 
|---|
| 964 | </varlistentry> | 
|---|
| 965 |  | 
|---|
| 966 | <varlistentry id="touch"> | 
|---|
| 967 | <term><command>touch</command></term> | 
|---|
| 968 | <listitem> | 
|---|
| 969 | <para>Changes file timestamps, setting the access and modification | 
|---|
| 970 | times of the given files to the current time; files that do not exist | 
|---|
| 971 | are created with zero length</para> | 
|---|
| 972 | <indexterm zone="ch-system-coreutils touch"> | 
|---|
| 973 | <primary sortas="b-touch">touch</primary> | 
|---|
| 974 | </indexterm> | 
|---|
| 975 | </listitem> | 
|---|
| 976 | </varlistentry> | 
|---|
| 977 |  | 
|---|
| 978 | <varlistentry id="tr"> | 
|---|
| 979 | <term><command>tr</command></term> | 
|---|
| 980 | <listitem> | 
|---|
| 981 | <para>Translates, squeezes, and deletes the given characters from | 
|---|
| 982 | standard input</para> | 
|---|
| 983 | <indexterm zone="ch-system-coreutils tr"> | 
|---|
| 984 | <primary sortas="b-tr">tr</primary> | 
|---|
| 985 | </indexterm> | 
|---|
| 986 | </listitem> | 
|---|
| 987 | </varlistentry> | 
|---|
| 988 |  | 
|---|
| 989 | <varlistentry id="true"> | 
|---|
| 990 | <term><command>true</command></term> | 
|---|
| 991 | <listitem> | 
|---|
| 992 | <para>Does nothing, successfully; it always exits with a status code | 
|---|
| 993 | indicating success</para> | 
|---|
| 994 | <indexterm zone="ch-system-coreutils true"> | 
|---|
| 995 | <primary sortas="b-true">true</primary> | 
|---|
| 996 | </indexterm> | 
|---|
| 997 | </listitem> | 
|---|
| 998 | </varlistentry> | 
|---|
| 999 |  | 
|---|
| 1000 | <varlistentry id="truncate"> | 
|---|
| 1001 | <term><command>truncate</command></term> | 
|---|
| 1002 | <listitem> | 
|---|
| 1003 | <para>Shrinks or expands a file to the specified size</para> | 
|---|
| 1004 | <indexterm zone="ch-system-coreutils truncate"> | 
|---|
| 1005 | <primary sortas="b-truncate">truncate</primary> | 
|---|
| 1006 | </indexterm> | 
|---|
| 1007 | </listitem> | 
|---|
| 1008 | </varlistentry> | 
|---|
| 1009 |  | 
|---|
| 1010 | <varlistentry id="tsort"> | 
|---|
| 1011 | <term><command>tsort</command></term> | 
|---|
| 1012 | <listitem> | 
|---|
| 1013 | <para>Performs a topological sort; it writes a completely ordered list | 
|---|
| 1014 | according to the partial ordering in a given file</para> | 
|---|
| 1015 | <indexterm zone="ch-system-coreutils tsort"> | 
|---|
| 1016 | <primary sortas="b-tsort">tsort</primary> | 
|---|
| 1017 | </indexterm> | 
|---|
| 1018 | </listitem> | 
|---|
| 1019 | </varlistentry> | 
|---|
| 1020 |  | 
|---|
| 1021 | <varlistentry id="tty"> | 
|---|
| 1022 | <term><command>tty</command></term> | 
|---|
| 1023 | <listitem> | 
|---|
| 1024 | <para>Reports the file name of the terminal connected to standard | 
|---|
| 1025 | input</para> | 
|---|
| 1026 | <indexterm zone="ch-system-coreutils tty"> | 
|---|
| 1027 | <primary sortas="b-tty">tty</primary> | 
|---|
| 1028 | </indexterm> | 
|---|
| 1029 | </listitem> | 
|---|
| 1030 | </varlistentry> | 
|---|
| 1031 |  | 
|---|
| 1032 | <varlistentry id="uname"> | 
|---|
| 1033 | <term><command>uname</command></term> | 
|---|
| 1034 | <listitem> | 
|---|
| 1035 | <para>Reports system information</para> | 
|---|
| 1036 | <indexterm zone="ch-system-coreutils uname"> | 
|---|
| 1037 | <primary sortas="b-uname">uname</primary> | 
|---|
| 1038 | </indexterm> | 
|---|
| 1039 | </listitem> | 
|---|
| 1040 | </varlistentry> | 
|---|
| 1041 |  | 
|---|
| 1042 | <varlistentry id="unexpand"> | 
|---|
| 1043 | <term><command>unexpand</command></term> | 
|---|
| 1044 | <listitem> | 
|---|
| 1045 | <para>Converts spaces to tabs</para> | 
|---|
| 1046 | <indexterm zone="ch-system-coreutils unexpand"> | 
|---|
| 1047 | <primary sortas="b-unexpand">unexpand</primary> | 
|---|
| 1048 | </indexterm> | 
|---|
| 1049 | </listitem> | 
|---|
| 1050 | </varlistentry> | 
|---|
| 1051 |  | 
|---|
| 1052 | <varlistentry id="uniq"> | 
|---|
| 1053 | <term><command>uniq</command></term> | 
|---|
| 1054 | <listitem> | 
|---|
| 1055 | <para>Discards all but one of successive identical lines</para> | 
|---|
| 1056 | <indexterm zone="ch-system-coreutils uniq"> | 
|---|
| 1057 | <primary sortas="b-uniq">uniq</primary> | 
|---|
| 1058 | </indexterm> | 
|---|
| 1059 | </listitem> | 
|---|
| 1060 | </varlistentry> | 
|---|
| 1061 |  | 
|---|
| 1062 | <varlistentry id="unlink"> | 
|---|
| 1063 | <term><command>unlink</command></term> | 
|---|
| 1064 | <listitem> | 
|---|
| 1065 | <para>Removes the given file</para> | 
|---|
| 1066 | <indexterm zone="ch-system-coreutils unlink"> | 
|---|
| 1067 | <primary sortas="b-unlink">unlink</primary> | 
|---|
| 1068 | </indexterm> | 
|---|
| 1069 | </listitem> | 
|---|
| 1070 | </varlistentry> | 
|---|
| 1071 |  | 
|---|
| 1072 | <varlistentry id="users"> | 
|---|
| 1073 | <term><command>users</command></term> | 
|---|
| 1074 | <listitem> | 
|---|
| 1075 | <para>Reports the names of the users currently logged on</para> | 
|---|
| 1076 | <indexterm zone="ch-system-coreutils users"> | 
|---|
| 1077 | <primary sortas="b-users">users</primary> | 
|---|
| 1078 | </indexterm> | 
|---|
| 1079 | </listitem> | 
|---|
| 1080 | </varlistentry> | 
|---|
| 1081 |  | 
|---|
| 1082 | <varlistentry id="vdir"> | 
|---|
| 1083 | <term><command>vdir</command></term> | 
|---|
| 1084 | <listitem> | 
|---|
| 1085 | <para>Is the same as <command>ls -l</command></para> | 
|---|
| 1086 | <indexterm zone="ch-system-coreutils vdir"> | 
|---|
| 1087 | <primary sortas="b-vdir">vdir</primary> | 
|---|
| 1088 | </indexterm> | 
|---|
| 1089 | </listitem> | 
|---|
| 1090 | </varlistentry> | 
|---|
| 1091 |  | 
|---|
| 1092 | <varlistentry id="wc"> | 
|---|
| 1093 | <term><command>wc</command></term> | 
|---|
| 1094 | <listitem> | 
|---|
| 1095 | <para>Reports the number of lines, words, and bytes for each given | 
|---|
| 1096 | file, as well as a total line when more than one file is given</para> | 
|---|
| 1097 | <indexterm zone="ch-system-coreutils wc"> | 
|---|
| 1098 | <primary sortas="b-wc">wc</primary> | 
|---|
| 1099 | </indexterm> | 
|---|
| 1100 | </listitem> | 
|---|
| 1101 | </varlistentry> | 
|---|
| 1102 |  | 
|---|
| 1103 | <varlistentry id="who"> | 
|---|
| 1104 | <term><command>who</command></term> | 
|---|
| 1105 | <listitem> | 
|---|
| 1106 | <para>Reports who is logged on</para> | 
|---|
| 1107 | <indexterm zone="ch-system-coreutils who"> | 
|---|
| 1108 | <primary sortas="b-who">who</primary> | 
|---|
| 1109 | </indexterm> | 
|---|
| 1110 | </listitem> | 
|---|
| 1111 | </varlistentry> | 
|---|
| 1112 |  | 
|---|
| 1113 | <varlistentry id="whoami"> | 
|---|
| 1114 | <term><command>whoami</command></term> | 
|---|
| 1115 | <listitem> | 
|---|
| 1116 | <para>Reports the user name associated with the current effective | 
|---|
| 1117 | user ID</para> | 
|---|
| 1118 | <indexterm zone="ch-system-coreutils whoami"> | 
|---|
| 1119 | <primary sortas="b-whoami">whoami</primary> | 
|---|
| 1120 | </indexterm> | 
|---|
| 1121 | </listitem> | 
|---|
| 1122 | </varlistentry> | 
|---|
| 1123 |  | 
|---|
| 1124 | <varlistentry id="yes"> | 
|---|
| 1125 | <term><command>yes</command></term> | 
|---|
| 1126 | <listitem> | 
|---|
| 1127 | <para>Repeatedly outputs <quote>y</quote> or a given string until | 
|---|
| 1128 | killed</para> | 
|---|
| 1129 | <indexterm zone="ch-system-coreutils yes"> | 
|---|
| 1130 | <primary sortas="b-yes">yes</primary> | 
|---|
| 1131 | </indexterm> | 
|---|
| 1132 | </listitem> | 
|---|
| 1133 | </varlistentry> | 
|---|
| 1134 |  | 
|---|
| 1135 | </variablelist> | 
|---|
| 1136 |  | 
|---|
| 1137 | </sect2> | 
|---|
| 1138 |  | 
|---|
| 1139 | </sect1> | 
|---|