[02095ae] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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[c439b8a] | 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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[02095ae] | 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 | <sect2 role="installation"> |
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| 26 | <title>Installation of Coreutils</title> |
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| 27 | |
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[2270211] | 28 | <para os="p1">A known issue with the <command>uname</command> program from |
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[485c2de] | 29 | this package is that the <option>-p</option> switch always |
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| 30 | returns <computeroutput>unknown</computeroutput>. The following patch |
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| 31 | fixes this behavior for all architectures:</para> |
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| 32 | |
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[2270211] | 33 | <screen os="p2"><userinput>patch -Np1 -i ../&coreutils-uname-patch;</userinput></screen> |
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[485c2de] | 34 | |
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[e74e775] | 35 | <para os="aa">The following command updates the timestamps on the uname |
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| 36 | and hostname man pages so that the Makefile does not attempt to regenerate |
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| 37 | them:</para> |
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| 38 | |
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| 39 | <screen os="ab"><userinput>touch man/uname.1 man/hostname.1</userinput></screen> |
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[7329dbe] | 40 | |
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| 41 | <para os="s1">Coreutils attempts to use the <command>install</command> |
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| 42 | program it just built to perform the install. This will not work if the |
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| 43 | target architecture is incompatible with the host architecture. The |
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| 44 | following command causes the Makefile to use the host's |
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| 45 | <command>install</command> to perform the install:</para> |
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| 46 | |
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| 47 | <screen os="s2"><userinput>cp -v src/Makefile.in{,.orig} |
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[73b1cbb] | 48 | sed -e "/binPROGRAMS_INSTALL=/s:./ginstall:install:" src/Makefile.in.orig > src/Makefile.in</userinput></screen> |
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[3f41ad5] | 49 | |
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[3cf26f7] | 50 | <para os="a">Configure can not properly determine how to get free space |
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[d30b2ab] | 51 | when cross-compiling - as a result, the <command>df</command> program will |
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| 52 | not be built. Add the following entry to <filename>config.cache</filename> |
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| 53 | to correct this:</para> |
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[9748f02] | 54 | |
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[cc8d737] | 55 | <screen os="b"><userinput>cat > config.cache << EOF |
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| 56 | fu_cv_sys_stat_statfs2_bsize=yes |
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[271a409] | 57 | gl_cv_func_mbrtowc_incomplete_state=yes |
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| 58 | gl_cv_func_mbrtowc_nul_retval=yes |
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| 59 | gl_cv_func_mbrtowc_null_arg=yes |
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| 60 | gl_cv_func_mbrtowc_retval=yes |
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| 61 | gl_cv_func_btowc_eof=yes |
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| 62 | gl_cv_func_wcrtomb_retval=yes |
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| 63 | gl_cv_func_wctob_works=yes |
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[cc8d737] | 64 | EOF</userinput></screen> |
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[02095ae] | 65 | |
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| 66 | <para os="c">Now prepare Coreutils for compilation:</para> |
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| 67 | |
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[cee2ca2] | 68 | <screen os="d"><userinput>./configure --build=${CLFS_HOST} --host=${CLFS_TARGET} \ |
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[7329dbe] | 69 | --prefix=/usr --cache-file=config.cache \ |
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| 70 | --enable-no-install-program=kill,uptime \ |
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| 71 | --enable-install-program=hostname</userinput></screen> |
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[02095ae] | 72 | |
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| 73 | <para os="e">Compile the package:</para> |
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| 74 | |
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| 75 | <screen os="f"><userinput>make</userinput></screen> |
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| 76 | |
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| 77 | <para os="g">Install the package:</para> |
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| 78 | |
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[586feb7] | 79 | <screen os="h"><userinput>make DESTDIR=${CLFS} install</userinput></screen> |
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[02095ae] | 80 | |
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| 81 | <para os="i">Move programs to the locations specified by the FHS:</para> |
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| 82 | |
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[586feb7] | 83 | <screen os="j"><userinput>mv -v ${CLFS}/usr/bin/{cat,chgrp,chmod,chown,cp,date} ${CLFS}/bin |
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[a074923] | 84 | mv -v ${CLFS}/usr/bin/{dd,df,echo,false,hostname,ln,ls,mkdir} ${CLFS}/bin |
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[7329dbe] | 85 | mv -v ${CLFS}/usr/bin/{mv,pwd,rm,rmdir,stty,true,uname} ${CLFS}/bin |
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[586feb7] | 86 | mv -v ${CLFS}/usr/bin/chroot ${CLFS}/usr/sbin</userinput></screen> |
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[02095ae] | 87 | |
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[586feb7] | 88 | <para os="k">Other Coreutils programs are used by some of the scripts |
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[e4f6ff4] | 89 | in the CLFS-Bootscripts package. As <filename |
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[02095ae] | 90 | class="directory">/usr</filename> may not be available during the early |
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| 91 | stages of booting, those binaries need to be on the root partition:</para> |
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| 92 | |
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[586feb7] | 93 | <screen os="l"><userinput>mv -v ${CLFS}/usr/bin/{[,basename,head,install,nice} ${CLFS}/bin |
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| 94 | mv -v ${CLFS}/usr/bin/{readlink,sleep,sync,test,touch} ${CLFS}/bin |
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[394cdeb] | 95 | ln -sfv ../../bin/install ${CLFS}/usr/bin</userinput></screen> |
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[02095ae] | 96 | |
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| 97 | </sect2> |
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| 98 | |
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| 99 | <sect2 id="contents-coreutils" role="content"> |
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| 100 | <title>Contents of Coreutils</title> |
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| 101 | |
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| 102 | <segmentedlist> |
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| 103 | <segtitle>Installed programs</segtitle> |
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| 104 | |
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| 105 | <seglistitem> |
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[058bc6b] | 106 | <seg>[, base64, basename, cat, chcon, chgrp, chmod, chown, chroot, |
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| 107 | cksum, comm, cp, csplit, cut, date, dd, df, dir, dircolors, dirname, du, |
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[02095ae] | 108 | echo, env, expand, expr, factor, false, fmt, fold, groups, head, |
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| 109 | hostid, hostname, id, install, join, link, ln, logname, ls, md5sum, |
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[058bc6b] | 110 | mkdir, mkfifo, mknod, mktemp, mv, nice, nl, nohup, od, paste, pathchk, |
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| 111 | pinky, pr, printenv, printf, ptx, pwd, readlink, rm, rmdir, runcon, seq, |
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| 112 | sha1sum, sha224sum, sha256sum, sha384sum, sha512sum, shred, shuf, |
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| 113 | sleep, sort, split, stat, stty, sum, sync, tac, tail, tee, test, |
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| 114 | timeout, touch, tr, true, truncate, tsort, tty, uname, unexpand, uniq, |
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| 115 | unlink, users, vdir, wc, who, whoami, and yes</seg> |
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[02095ae] | 116 | </seglistitem> |
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| 117 | </segmentedlist> |
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| 118 | |
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| 119 | <variablelist> |
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| 120 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 121 | <?dbfo list-presentation="list"?> |
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| 122 | <?dbhtml list-presentation="table"?> |
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| 123 | |
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[d2c51b1] | 124 | <varlistentry id="base64"> |
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| 125 | <term><command>base64</command></term> |
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| 126 | <listitem> |
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| 127 | <para>Base64 encode/decode data and print to standard output</para> |
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| 128 | <indexterm zone="ch-system-coreutils base64"> |
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| 129 | <primary sortas="b-base64">base64</primary> |
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| 130 | </indexterm> |
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| 131 | </listitem> |
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| 132 | </varlistentry> |
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| 133 | |
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[02095ae] | 134 | <varlistentry id="basename"> |
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| 135 | <term><command>basename</command></term> |
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| 136 | <listitem> |
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| 137 | <para>Strips any path and a given suffix from a file name</para> |
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| 138 | <indexterm zone="ch-system-coreutils basename"> |
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| 139 | <primary sortas="b-basename">basename</primary> |
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| 140 | </indexterm> |
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| 141 | </listitem> |
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| 142 | </varlistentry> |
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| 143 | |
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| 144 | <varlistentry id="cat"> |
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| 145 | <term><command>cat</command></term> |
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| 146 | <listitem> |
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| 147 | <para>Concatenates files to standard output</para> |
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| 148 | <indexterm zone="ch-system-coreutils cat"> |
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| 149 | <primary sortas="b-cat">cat</primary> |
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| 150 | </indexterm> |
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| 151 | </listitem> |
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| 152 | </varlistentry> |
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| 153 | |
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[058bc6b] | 154 | <varlistentry id="chcon"> |
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| 155 | <term><command>chcon</command></term> |
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| 156 | <listitem> |
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| 157 | <para>Changes security context for files and directories</para> |
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| 158 | <indexterm zone="ch-system-coreutils chcon"> |
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| 159 | <primary sortas="b-chcon">chcon</primary> |
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| 160 | </indexterm> |
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| 161 | </listitem> |
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| 162 | </varlistentry> |
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| 163 | |
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[02095ae] | 164 | <varlistentry id="chgrp"> |
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| 165 | <term><command>chgrp</command></term> |
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| 166 | <listitem> |
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| 167 | <para>Changes the group ownership of files and directories</para> |
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| 168 | <indexterm zone="ch-system-coreutils chgrp"> |
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| 169 | <primary sortas="b-chgrp">chgrp</primary> |
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| 170 | </indexterm> |
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| 171 | </listitem> |
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| 172 | </varlistentry> |
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| 173 | |
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| 174 | <varlistentry id="chmod"> |
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| 175 | <term><command>chmod</command></term> |
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| 176 | <listitem> |
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| 177 | <para>Changes the permissions of each file to the given mode; the mode |
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| 178 | can be either a symbolic representation of the changes to make or an |
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| 179 | octal number representing the new permissions</para> |
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| 180 | <indexterm zone="ch-system-coreutils chmod"> |
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| 181 | <primary sortas="b-chmod">chmod</primary> |
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| 182 | </indexterm> |
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| 183 | </listitem> |
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| 184 | </varlistentry> |
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| 185 | |
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| 186 | <varlistentry id="chown"> |
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| 187 | <term><command>chown</command></term> |
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| 188 | <listitem> |
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| 189 | <para>Changes the user and/or group ownership of files and |
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| 190 | directories</para> |
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| 191 | <indexterm zone="ch-system-coreutils chown"> |
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| 192 | <primary sortas="b-chown">chown</primary> |
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| 193 | </indexterm> |
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| 194 | </listitem> |
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| 195 | </varlistentry> |
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| 196 | |
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| 197 | <varlistentry id="chroot"> |
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| 198 | <term><command>chroot</command></term> |
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| 199 | <listitem> |
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| 200 | <para>Runs a command with the specified directory as the |
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| 201 | <filename class="directory">/</filename> directory</para> |
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| 202 | <indexterm zone="ch-system-coreutils chroot"> |
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| 203 | <primary sortas="b-chroot">chroot</primary> |
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| 204 | </indexterm> |
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| 205 | </listitem> |
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| 206 | </varlistentry> |
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| 207 | |
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| 208 | <varlistentry id="cksum"> |
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| 209 | <term><command>cksum</command></term> |
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| 210 | <listitem> |
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| 211 | <para>Prints the Cyclic Redundancy Check (CRC) checksum and the byte |
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| 212 | counts of each specified file</para> |
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| 213 | <indexterm zone="ch-system-coreutils cksum"> |
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| 214 | <primary sortas="b-cksum">cksum</primary> |
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| 215 | </indexterm> |
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| 216 | </listitem> |
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| 217 | </varlistentry> |
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| 218 | |
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| 219 | <varlistentry id="comm"> |
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| 220 | <term><command>comm</command></term> |
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| 221 | <listitem> |
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| 222 | <para>Compares two sorted files, outputting in three columns the lines |
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| 223 | that are unique and the lines that are common</para> |
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| 224 | <indexterm zone="ch-system-coreutils comm"> |
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| 225 | <primary sortas="b-comm">comm</primary> |
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| 226 | </indexterm> |
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| 227 | </listitem> |
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| 228 | </varlistentry> |
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| 229 | |
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| 230 | <varlistentry id="cp"> |
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| 231 | <term><command>cp</command></term> |
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| 232 | <listitem> |
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| 233 | <para>Copies files</para> |
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| 234 | <indexterm zone="ch-system-coreutils cp"> |
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| 235 | <primary sortas="b-cp">cp</primary> |
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| 236 | </indexterm> |
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| 237 | </listitem> |
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| 238 | </varlistentry> |
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| 239 | |
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| 240 | <varlistentry id="csplit"> |
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| 241 | <term><command>csplit</command></term> |
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| 242 | <listitem> |
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| 243 | <para>Splits a given file into several new files, separating them |
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| 244 | according to given patterns or line numbers and outputting the byte |
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| 245 | count of each new file</para> |
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| 246 | <indexterm zone="ch-system-coreutils csplit"> |
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| 247 | <primary sortas="b-csplit">csplit</primary> |
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| 248 | </indexterm> |
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| 249 | </listitem> |
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| 250 | </varlistentry> |
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| 251 | |
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| 252 | <varlistentry id="cut"> |
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| 253 | <term><command>cut</command></term> |
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| 254 | <listitem> |
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| 255 | <para>Prints sections of lines, selecting the parts according to given |
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| 256 | fields or positions</para> |
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| 257 | <indexterm zone="ch-system-coreutils cut"> |
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| 258 | <primary sortas="b-cut">cut</primary> |
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| 259 | </indexterm> |
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| 260 | </listitem> |
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| 261 | </varlistentry> |
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| 262 | |
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| 263 | <varlistentry id="date"> |
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| 264 | <term><command>date</command></term> |
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| 265 | <listitem> |
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| 266 | <para>Displays the current time in the given format, or sets the |
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| 267 | system date</para> |
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| 268 | <indexterm zone="ch-system-coreutils date"> |
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| 269 | <primary sortas="b-date">date</primary> |
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| 270 | </indexterm> |
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| 271 | </listitem> |
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| 272 | </varlistentry> |
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| 273 | |
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| 274 | <varlistentry id="dd"> |
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| 275 | <term><command>dd</command> </term> |
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| 276 | <listitem> |
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| 277 | <para>Copies a file using the given block size and count, while |
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| 278 | optionally performing conversions on it</para> |
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| 279 | <indexterm zone="ch-system-coreutils dd"> |
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| 280 | <primary sortas="b-dd">dd</primary> |
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| 281 | </indexterm> |
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| 282 | </listitem> |
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| 283 | </varlistentry> |
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| 284 | |
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| 285 | <varlistentry id="df"> |
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| 286 | <term><command>df</command></term> |
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| 287 | <listitem> |
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| 288 | <para>Reports the amount of disk space available (and used) on all |
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| 289 | mounted file systems, or only on the file systems holding the selected |
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| 290 | files</para> |
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| 291 | <indexterm zone="ch-system-coreutils df"> |
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| 292 | <primary sortas="b-df">df</primary> |
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| 293 | </indexterm> |
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| 294 | </listitem> |
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| 295 | </varlistentry> |
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| 296 | |
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| 297 | <varlistentry id="dir"> |
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| 298 | <term><command>dir</command></term> |
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| 299 | <listitem> |
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| 300 | <para>Lists the contents of each given directory (the same as |
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| 301 | the <command>ls</command> command)</para> |
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| 302 | <indexterm zone="ch-system-coreutils dir"> |
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| 303 | <primary sortas="b-dir">dir</primary> |
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| 304 | </indexterm> |
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| 305 | </listitem> |
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| 306 | </varlistentry> |
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| 307 | |
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| 308 | <varlistentry id="dircolors"> |
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| 309 | <term><command>dircolors</command></term> |
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| 310 | <listitem> |
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| 311 | <para>Outputs commands to set the <envar>LS_COLOR</envar> |
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| 312 | environment variable to change the color scheme used by |
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| 313 | <command>ls</command></para> |
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| 314 | <indexterm zone="ch-system-coreutils dircolors"> |
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| 315 | <primary sortas="b-dircolors">dircolors</primary> |
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| 316 | </indexterm> |
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| 317 | </listitem> |
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| 318 | </varlistentry> |
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| 319 | |
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| 320 | <varlistentry id="dirname"> |
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| 321 | <term><command>dirname</command></term> |
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| 322 | <listitem> |
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| 323 | <para>Strips the non-directory suffix from a file name</para> |
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| 324 | <indexterm zone="ch-system-coreutils dirname"> |
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| 325 | <primary sortas="b-dirname">dirname</primary> |
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| 326 | </indexterm> |
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| 327 | </listitem> |
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| 328 | </varlistentry> |
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| 329 | |
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| 330 | <varlistentry id="du"> |
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| 331 | <term><command>du</command></term> |
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| 332 | <listitem> |
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| 333 | <para>Reports the amount of disk space used by the current directory, |
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| 334 | by each of the given directories (including all subdirectories) or by |
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| 335 | each of the given files</para> |
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| 336 | <indexterm zone="ch-system-coreutils du"> |
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| 337 | <primary sortas="b-du">du</primary> |
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| 338 | </indexterm> |
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| 339 | </listitem> |
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| 340 | </varlistentry> |
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| 341 | |
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| 342 | <varlistentry id="echo"> |
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| 343 | <term><command>echo</command></term> |
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| 344 | <listitem> |
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| 345 | <para>Displays the given strings</para> |
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| 346 | <indexterm zone="ch-system-coreutils echo"> |
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| 347 | <primary sortas="b-echo">echo</primary> |
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| 348 | </indexterm> |
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| 349 | </listitem> |
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| 350 | </varlistentry> |
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| 351 | |
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| 352 | <varlistentry id="env"> |
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| 353 | <term><command>env</command></term> |
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| 354 | <listitem> |
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| 355 | <para>Runs a command in a modified environment</para> |
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| 356 | <indexterm zone="ch-system-coreutils env"> |
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| 357 | <primary sortas="b-env">env</primary> |
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| 358 | </indexterm> |
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| 359 | </listitem> |
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| 360 | </varlistentry> |
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| 361 | |
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| 362 | <varlistentry id="expand"> |
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| 363 | <term><command>expand</command></term> |
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| 364 | <listitem> |
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| 365 | <para>Converts tabs to spaces</para> |
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| 366 | <indexterm zone="ch-system-coreutils expand"> |
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| 367 | <primary sortas="b-expand">expand</primary> |
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| 368 | </indexterm> |
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| 369 | </listitem> |
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| 370 | </varlistentry> |
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| 371 | |
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| 372 | <varlistentry id="expr"> |
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| 373 | <term><command>expr</command></term> |
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| 374 | <listitem> |
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| 375 | <para>Evaluates expressions</para> |
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| 376 | <indexterm zone="ch-system-coreutils expr"> |
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| 377 | <primary sortas="b-expr">expr</primary> |
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| 378 | </indexterm> |
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| 379 | </listitem> |
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| 380 | </varlistentry> |
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| 381 | |
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| 382 | <varlistentry id="factor"> |
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| 383 | <term><command>factor</command></term> |
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| 384 | <listitem> |
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| 385 | <para>Prints the prime factors of all specified integer numbers</para> |
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| 386 | <indexterm zone="ch-system-coreutils factor"> |
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| 387 | <primary sortas="b-factor">factor</primary> |
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| 388 | </indexterm> |
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| 389 | </listitem> |
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| 390 | </varlistentry> |
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| 391 | |
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| 392 | <varlistentry id="false"> |
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| 393 | <term><command>false</command></term> |
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| 394 | <listitem> |
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| 395 | <para>Does nothing, unsuccessfully; it always exits with a status code |
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| 396 | indicating failure</para> |
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| 397 | <indexterm zone="ch-system-coreutils false"> |
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| 398 | <primary sortas="b-false">false</primary> |
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| 399 | </indexterm> |
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| 400 | </listitem> |
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| 401 | </varlistentry> |
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| 402 | |
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| 403 | <varlistentry id="fmt"> |
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| 404 | <term><command>fmt</command></term> |
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| 405 | <listitem> |
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| 406 | <para>Reformats the paragraphs in the given files</para> |
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| 407 | <indexterm zone="ch-system-coreutils fmt"> |
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| 408 | <primary sortas="b-fmt">fmt</primary> |
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| 409 | </indexterm> |
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| 410 | </listitem> |
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| 411 | </varlistentry> |
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| 412 | |
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| 413 | <varlistentry id="fold"> |
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| 414 | <term><command>fold</command></term> |
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| 415 | <listitem> |
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| 416 | <para>Wraps the lines in the given files</para> |
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| 417 | <indexterm zone="ch-system-coreutils fold"> |
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| 418 | <primary sortas="b-fold">fold</primary> |
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| 419 | </indexterm> |
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| 420 | </listitem> |
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| 421 | </varlistentry> |
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| 422 | |
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| 423 | <varlistentry id="groups"> |
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| 424 | <term><command>groups</command></term> |
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| 425 | <listitem> |
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| 426 | <para>Reports a user's group memberships</para> |
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| 427 | <indexterm zone="ch-system-coreutils groups"> |
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| 428 | <primary sortas="b-groups">groups</primary> |
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| 429 | </indexterm> |
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| 430 | </listitem> |
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| 431 | </varlistentry> |
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| 432 | |
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| 433 | <varlistentry id="head"> |
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| 434 | <term><command>head</command></term> |
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| 435 | <listitem> |
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| 436 | <para>Prints the first ten lines (or the given number of lines) |
---|
| 437 | of each given file</para> |
---|
| 438 | <indexterm zone="ch-system-coreutils head"> |
---|
| 439 | <primary sortas="b-head">head</primary> |
---|
| 440 | </indexterm> |
---|
| 441 | </listitem> |
---|
| 442 | </varlistentry> |
---|
| 443 | |
---|
| 444 | <varlistentry id="hostid"> |
---|
| 445 | <term><command>hostid</command></term> |
---|
| 446 | <listitem> |
---|
| 447 | <para>Reports the numeric identifier (in hexadecimal) of the host</para> |
---|
| 448 | <indexterm zone="ch-system-coreutils hostid"> |
---|
| 449 | <primary sortas="b-hostid">hostid</primary> |
---|
| 450 | </indexterm> |
---|
| 451 | </listitem> |
---|
| 452 | </varlistentry> |
---|
| 453 | |
---|
| 454 | <varlistentry id="hostname"> |
---|
| 455 | <term><command>hostname</command></term> |
---|
| 456 | <listitem> |
---|
| 457 | <para>Reports or sets the name of the host</para> |
---|
| 458 | <indexterm zone="ch-system-coreutils hostname"> |
---|
| 459 | <primary sortas="b-hostname">hostname</primary> |
---|
| 460 | </indexterm> |
---|
| 461 | </listitem> |
---|
| 462 | </varlistentry> |
---|
| 463 | |
---|
| 464 | <varlistentry id="id"> |
---|
| 465 | <term><command>id</command></term> |
---|
| 466 | <listitem> |
---|
| 467 | <para>Reports the effective user ID, group ID, and group memberships |
---|
| 468 | of the current user or specified user</para> |
---|
| 469 | <indexterm zone="ch-system-coreutils id"> |
---|
| 470 | <primary sortas="b-id">id</primary> |
---|
| 471 | </indexterm> |
---|
| 472 | </listitem> |
---|
| 473 | </varlistentry> |
---|
| 474 | |
---|
| 475 | <varlistentry id="install"> |
---|
| 476 | <term><command>install</command> </term> |
---|
| 477 | <listitem> |
---|
| 478 | <para>Copies files while setting their permission modes and, if |
---|
| 479 | possible, their owner and group</para> |
---|
| 480 | <indexterm zone="ch-system-coreutils install"> |
---|
| 481 | <primary sortas="b-install">install</primary> |
---|
| 482 | </indexterm> |
---|
| 483 | </listitem> |
---|
| 484 | </varlistentry> |
---|
| 485 | |
---|
| 486 | <varlistentry id="join"> |
---|
| 487 | <term><command>join</command></term> |
---|
| 488 | <listitem> |
---|
| 489 | <para>Joins the lines that have identical join fields from two |
---|
| 490 | separate files</para> |
---|
| 491 | <indexterm zone="ch-system-coreutils join"> |
---|
| 492 | <primary sortas="b-join">join</primary> |
---|
| 493 | </indexterm> |
---|
| 494 | </listitem> |
---|
| 495 | </varlistentry> |
---|
| 496 | |
---|
| 497 | <varlistentry id="link"> |
---|
| 498 | <term><command>link</command></term> |
---|
| 499 | <listitem> |
---|
| 500 | <para>Creates a hard link with the given name to a file</para> |
---|
| 501 | <indexterm zone="ch-system-coreutils link"> |
---|
| 502 | <primary sortas="b-link">link</primary> |
---|
| 503 | </indexterm> |
---|
| 504 | </listitem> |
---|
| 505 | </varlistentry> |
---|
| 506 | |
---|
| 507 | <varlistentry id="ln"> |
---|
| 508 | <term><command>ln</command></term> |
---|
| 509 | <listitem> |
---|
| 510 | <para>Makes hard links or soft (symbolic) links between files</para> |
---|
| 511 | <indexterm zone="ch-system-coreutils ln"> |
---|
| 512 | <primary sortas="b-ln">ln</primary> |
---|
| 513 | </indexterm> |
---|
| 514 | </listitem> |
---|
| 515 | </varlistentry> |
---|
| 516 | |
---|
| 517 | <varlistentry id="logname"> |
---|
| 518 | <term><command>logname</command></term> |
---|
| 519 | <listitem> |
---|
| 520 | <para>Reports the current user's login name</para> |
---|
| 521 | <indexterm zone="ch-system-coreutils logname"> |
---|
| 522 | <primary sortas="b-logname">logname</primary> |
---|
| 523 | </indexterm> |
---|
| 524 | </listitem> |
---|
| 525 | </varlistentry> |
---|
| 526 | |
---|
| 527 | <varlistentry id="ls"> |
---|
| 528 | <term><command>ls</command></term> |
---|
| 529 | <listitem> |
---|
| 530 | <para>Lists the contents of each given directory</para> |
---|
| 531 | <indexterm zone="ch-system-coreutils ls"> |
---|
| 532 | <primary sortas="b-ls">ls</primary> |
---|
| 533 | </indexterm> |
---|
| 534 | </listitem> |
---|
| 535 | </varlistentry> |
---|
| 536 | |
---|
| 537 | <varlistentry id="md5sum"> |
---|
| 538 | <term><command>md5sum</command></term> |
---|
| 539 | <listitem> |
---|
| 540 | <para>Reports or checks Message Digest 5 (MD5) checksums</para> |
---|
| 541 | <indexterm zone="ch-system-coreutils md5sum"> |
---|
| 542 | <primary sortas="b-md5sum">md5sum</primary> |
---|
| 543 | </indexterm> |
---|
| 544 | </listitem> |
---|
| 545 | </varlistentry> |
---|
| 546 | |
---|
| 547 | <varlistentry id="mkdir"> |
---|
| 548 | <term><command>mkdir</command></term> |
---|
| 549 | <listitem> |
---|
| 550 | <para>Creates directories with the given names</para> |
---|
| 551 | <indexterm zone="ch-system-coreutils mkdir"> |
---|
| 552 | <primary sortas="b-mkdir">mkdir</primary> |
---|
| 553 | </indexterm> |
---|
| 554 | </listitem> |
---|
| 555 | </varlistentry> |
---|
| 556 | |
---|
| 557 | <varlistentry id="mkfifo"> |
---|
| 558 | <term><command>mkfifo</command></term> |
---|
| 559 | <listitem> |
---|
| 560 | <para>Creates First-In, First-Outs (FIFOs), a <quote>named |
---|
| 561 | pipe</quote> in UNIX parlance, with the given names</para> |
---|
| 562 | <indexterm zone="ch-system-coreutils mkfifo"> |
---|
| 563 | <primary sortas="b-mkfifo">mkfifo</primary> |
---|
| 564 | </indexterm> |
---|
| 565 | </listitem> |
---|
| 566 | </varlistentry> |
---|
| 567 | |
---|
| 568 | <varlistentry id="mknod"> |
---|
| 569 | <term><command>mknod</command></term> |
---|
| 570 | <listitem> |
---|
| 571 | <para>Creates device nodes with the given names; a device node is a |
---|
| 572 | character special file, a block special file, or a FIFO</para> |
---|
| 573 | <indexterm zone="ch-system-coreutils mknod"> |
---|
| 574 | <primary sortas="b-mknod">mknod</primary> |
---|
| 575 | </indexterm> |
---|
| 576 | </listitem> |
---|
| 577 | </varlistentry> |
---|
| 578 | |
---|
[058bc6b] | 579 | <varlistentry id="mktemp"> |
---|
| 580 | <term><command>mktemp</command></term> |
---|
| 581 | <listitem> |
---|
| 582 | <para>Creates temporary files in a secure manner; it is used in |
---|
| 583 | scripts</para> |
---|
| 584 | <indexterm zone="ch-system-coreutils mktemp"> |
---|
| 585 | <primary sortas="b-mktemp">mktemp</primary> |
---|
| 586 | </indexterm> |
---|
| 587 | </listitem> |
---|
| 588 | </varlistentry> |
---|
| 589 | |
---|
[02095ae] | 590 | <varlistentry id="mv"> |
---|
| 591 | <term><command>mv</command></term> |
---|
| 592 | <listitem> |
---|
| 593 | <para>Moves or renames files or directories</para> |
---|
| 594 | <indexterm zone="ch-system-coreutils mv"> |
---|
| 595 | <primary sortas="b-mv">mv</primary> |
---|
| 596 | </indexterm> |
---|
| 597 | </listitem> |
---|
| 598 | </varlistentry> |
---|
| 599 | |
---|
| 600 | <varlistentry id="nice"> |
---|
| 601 | <term><command>nice</command></term> |
---|
| 602 | <listitem> |
---|
| 603 | <para>Runs a program with modified scheduling priority</para> |
---|
| 604 | <indexterm zone="ch-system-coreutils nice"> |
---|
| 605 | <primary sortas="b-nice">nice</primary> |
---|
| 606 | </indexterm> |
---|
| 607 | </listitem> |
---|
| 608 | </varlistentry> |
---|
| 609 | |
---|
| 610 | <varlistentry id="nl"> |
---|
| 611 | <term><command>nl</command></term> |
---|
| 612 | <listitem> |
---|
| 613 | <para>Numbers the lines from the given files</para> |
---|
| 614 | <indexterm zone="ch-system-coreutils nl"> |
---|
| 615 | <primary sortas="b-nl">nl</primary> |
---|
| 616 | </indexterm> |
---|
| 617 | </listitem> |
---|
| 618 | </varlistentry> |
---|
| 619 | |
---|
| 620 | <varlistentry id="nohup"> |
---|
| 621 | <term><command>nohup</command></term> |
---|
| 622 | <listitem> |
---|
| 623 | <para>Runs a command immune to hangups, with its output redirected to |
---|
| 624 | a log file</para> |
---|
| 625 | <indexterm zone="ch-system-coreutils nohup"> |
---|
| 626 | <primary sortas="b-nohup">nohup</primary> |
---|
| 627 | </indexterm> |
---|
| 628 | </listitem> |
---|
| 629 | </varlistentry> |
---|
| 630 | |
---|
| 631 | <varlistentry id="od"> |
---|
| 632 | <term><command>od</command></term> |
---|
| 633 | <listitem> |
---|
| 634 | <para>Dumps files in octal and other formats</para> |
---|
| 635 | <indexterm zone="ch-system-coreutils od"> |
---|
| 636 | <primary sortas="b-od">od</primary> |
---|
| 637 | </indexterm> |
---|
| 638 | </listitem> |
---|
| 639 | </varlistentry> |
---|
| 640 | |
---|
| 641 | <varlistentry id="paste"> |
---|
| 642 | <term><command>paste</command></term> |
---|
| 643 | <listitem> |
---|
| 644 | <para>Merges the given files, joining sequentially corresponding lines |
---|
| 645 | side by side, separated by tab characters</para> |
---|
| 646 | <indexterm zone="ch-system-coreutils paste"> |
---|
| 647 | <primary sortas="b-paste">paste</primary> |
---|
| 648 | </indexterm> |
---|
| 649 | </listitem> |
---|
| 650 | </varlistentry> |
---|
| 651 | |
---|
| 652 | <varlistentry id="pathchk"> |
---|
| 653 | <term><command>pathchk</command></term> |
---|
| 654 | <listitem> |
---|
| 655 | <para>Checks if file names are valid or portable</para> |
---|
| 656 | <indexterm zone="ch-system-coreutils pathchk"> |
---|
| 657 | <primary sortas="b-pathchk">pathchk</primary> |
---|
| 658 | </indexterm> |
---|
| 659 | </listitem> |
---|
| 660 | </varlistentry> |
---|
| 661 | |
---|
| 662 | <varlistentry id="pinky"> |
---|
| 663 | <term><command>pinky</command></term> |
---|
| 664 | <listitem> |
---|
| 665 | <para>Is a lightweight finger client; it reports some information |
---|
| 666 | about the given users</para> |
---|
| 667 | <indexterm zone="ch-system-coreutils pinky"> |
---|
| 668 | <primary sortas="b-pinky">pinky</primary> |
---|
| 669 | </indexterm> |
---|
| 670 | </listitem> |
---|
| 671 | </varlistentry> |
---|
| 672 | |
---|
| 673 | <varlistentry id="pr"> |
---|
| 674 | <term><command>pr</command></term> |
---|
| 675 | <listitem> |
---|
| 676 | <para>Paginates and columnates files for printing</para> |
---|
| 677 | <indexterm zone="ch-system-coreutils pr"> |
---|
| 678 | <primary sortas="b-pr">pr</primary> |
---|
| 679 | </indexterm> |
---|
| 680 | </listitem> |
---|
| 681 | </varlistentry> |
---|
| 682 | |
---|
| 683 | <varlistentry id="printenv"> |
---|
| 684 | <term><command>printenv</command></term> |
---|
| 685 | <listitem> |
---|
| 686 | <para>Prints the environment</para> |
---|
| 687 | <indexterm zone="ch-system-coreutils printenv"> |
---|
| 688 | <primary sortas="b-printenv">printenv</primary> |
---|
| 689 | </indexterm> |
---|
| 690 | </listitem> |
---|
| 691 | </varlistentry> |
---|
| 692 | |
---|
| 693 | <varlistentry id="printf"> |
---|
| 694 | <term><command>printf</command></term> |
---|
| 695 | <listitem> |
---|
| 696 | <para>Prints the given arguments according to the given format, much |
---|
| 697 | like the C printf function</para> |
---|
| 698 | <indexterm zone="ch-system-coreutils printf"> |
---|
| 699 | <primary sortas="b-printf">printf</primary> |
---|
| 700 | </indexterm> |
---|
| 701 | </listitem> |
---|
| 702 | </varlistentry> |
---|
| 703 | |
---|
| 704 | <varlistentry id="ptx"> |
---|
| 705 | <term><command>ptx</command></term> |
---|
| 706 | <listitem> |
---|
| 707 | <para>Produces a permuted index from the contents of the given files, |
---|
| 708 | with each keyword in its context</para> |
---|
| 709 | <indexterm zone="ch-system-coreutils ptx"> |
---|
| 710 | <primary sortas="b-ptx">ptx</primary> |
---|
| 711 | </indexterm> |
---|
| 712 | </listitem> |
---|
| 713 | </varlistentry> |
---|
| 714 | |
---|
| 715 | <varlistentry id="pwd"> |
---|
| 716 | <term><command>pwd</command></term> |
---|
| 717 | <listitem> |
---|
| 718 | <para>Reports the name of the current working directory</para> |
---|
| 719 | <indexterm zone="ch-system-coreutils pwd"> |
---|
| 720 | <primary sortas="b-pwd">pwd</primary> |
---|
| 721 | </indexterm> |
---|
| 722 | </listitem> |
---|
| 723 | </varlistentry> |
---|
| 724 | |
---|
| 725 | <varlistentry id="readlink"> |
---|
| 726 | <term><command>readlink</command></term> |
---|
| 727 | <listitem> |
---|
| 728 | <para>Reports the value of the given symbolic link</para> |
---|
| 729 | <indexterm zone="ch-system-coreutils readlink"> |
---|
| 730 | <primary sortas="b-readlink">readlink</primary> |
---|
| 731 | </indexterm> |
---|
| 732 | </listitem> |
---|
| 733 | </varlistentry> |
---|
| 734 | |
---|
| 735 | <varlistentry id="rm"> |
---|
| 736 | <term><command>rm</command></term> |
---|
| 737 | <listitem> |
---|
| 738 | <para>Removes files or directories</para> |
---|
| 739 | <indexterm zone="ch-system-coreutils rm"> |
---|
| 740 | <primary sortas="b-rm">rm</primary> |
---|
| 741 | </indexterm> |
---|
| 742 | </listitem> |
---|
| 743 | </varlistentry> |
---|
| 744 | |
---|
| 745 | <varlistentry id="rmdir"> |
---|
| 746 | <term><command>rmdir</command></term> |
---|
| 747 | <listitem> |
---|
| 748 | <para>Removes directories if they are empty</para> |
---|
| 749 | <indexterm zone="ch-system-coreutils rmdir"> |
---|
| 750 | <primary sortas="b-rmdir">rmdir</primary> |
---|
| 751 | </indexterm> |
---|
| 752 | </listitem> |
---|
| 753 | </varlistentry> |
---|
| 754 | |
---|
[058bc6b] | 755 | <varlistentry id="runcon"> |
---|
| 756 | <term><command>runcon</command></term> |
---|
| 757 | <listitem> |
---|
| 758 | <para>Runs a command with specified security context</para> |
---|
| 759 | <indexterm zone="ch-system-coreutils runcon"> |
---|
| 760 | <primary sortas="b-runcon">runcon</primary> |
---|
| 761 | </indexterm> |
---|
| 762 | </listitem> |
---|
| 763 | </varlistentry> |
---|
| 764 | |
---|
[02095ae] | 765 | <varlistentry id="seq"> |
---|
| 766 | <term><command>seq</command></term> |
---|
| 767 | <listitem> |
---|
| 768 | <para>Prints a sequence of numbers within a given range and with a |
---|
| 769 | given increment</para> |
---|
| 770 | <indexterm zone="ch-system-coreutils seq"> |
---|
| 771 | <primary sortas="b-seq">seq</primary> |
---|
| 772 | </indexterm> |
---|
| 773 | </listitem> |
---|
| 774 | </varlistentry> |
---|
| 775 | |
---|
| 776 | <varlistentry id="sha1sum"> |
---|
| 777 | <term><command>sha1sum</command></term> |
---|
| 778 | <listitem> |
---|
| 779 | <para>Prints or checks 160-bit Secure Hash Algorithm 1 (SHA1) |
---|
| 780 | checksums</para> |
---|
| 781 | <indexterm zone="ch-system-coreutils sha1sum"> |
---|
| 782 | <primary sortas="b-sha1sum">sha1sum</primary> |
---|
| 783 | </indexterm> |
---|
| 784 | </listitem> |
---|
| 785 | </varlistentry> |
---|
| 786 | |
---|
[d2c51b1] | 787 | <varlistentry id="sha224sum"> |
---|
| 788 | <term><command>sha224sum</command></term> |
---|
| 789 | <listitem> |
---|
| 790 | <para>Prints or checks SHA224 checksums</para> |
---|
| 791 | <indexterm zone="ch-system-coreutils sha224sum"> |
---|
| 792 | <primary sortas="b-sha224sum">sha224sum</primary> |
---|
| 793 | </indexterm> |
---|
| 794 | </listitem> |
---|
| 795 | </varlistentry> |
---|
| 796 | |
---|
| 797 | <varlistentry id="sha256sum"> |
---|
| 798 | <term><command>sha256sum</command></term> |
---|
| 799 | <listitem> |
---|
| 800 | <para>Prints or checks SHA256 checksums</para> |
---|
| 801 | <indexterm zone="ch-system-coreutils sha256sum"> |
---|
| 802 | <primary sortas="b-sha256sum">sha256sum</primary> |
---|
| 803 | </indexterm> |
---|
| 804 | </listitem> |
---|
| 805 | </varlistentry> |
---|
| 806 | |
---|
| 807 | <varlistentry id="sha384sum"> |
---|
| 808 | <term><command>sha384sum</command></term> |
---|
| 809 | <listitem> |
---|
| 810 | <para>Prints or checks SHA384 checksums</para> |
---|
| 811 | <indexterm zone="ch-system-coreutils sha384sum"> |
---|
| 812 | <primary sortas="b-sha384sum">sha384sum</primary> |
---|
| 813 | </indexterm> |
---|
| 814 | </listitem> |
---|
| 815 | </varlistentry> |
---|
| 816 | |
---|
| 817 | <varlistentry id="sha512sum"> |
---|
| 818 | <term><command>sha512sum</command></term> |
---|
| 819 | <listitem> |
---|
| 820 | <para>Prints or checks SHA512 checksums</para> |
---|
| 821 | <indexterm zone="ch-system-coreutils sha512sum"> |
---|
| 822 | <primary sortas="b-sha512sum">sha512sum</primary> |
---|
| 823 | </indexterm> |
---|
| 824 | </listitem> |
---|
| 825 | </varlistentry> |
---|
| 826 | |
---|
[02095ae] | 827 | <varlistentry id="shred"> |
---|
| 828 | <term><command>shred</command></term> |
---|
| 829 | <listitem> |
---|
| 830 | <para>Overwrites the given files repeatedly with complex patterns, |
---|
| 831 | making it difficult to recover the data</para> |
---|
| 832 | <indexterm zone="ch-system-coreutils shred"> |
---|
| 833 | <primary sortas="b-shred">shred</primary> |
---|
| 834 | </indexterm> |
---|
| 835 | </listitem> |
---|
| 836 | </varlistentry> |
---|
| 837 | |
---|
[d2c51b1] | 838 | <varlistentry id="shuf"> |
---|
| 839 | <term><command>shuf</command></term> |
---|
| 840 | <listitem> |
---|
| 841 | <para>Write a random permutation of the input lines to standard output or a file</para> |
---|
| 842 | <indexterm zone="ch-system-coreutils shuf"> |
---|
| 843 | <primary sortas="b-shuf">shuf</primary> |
---|
| 844 | </indexterm> |
---|
| 845 | </listitem> |
---|
| 846 | </varlistentry> |
---|
| 847 | |
---|
[02095ae] | 848 | <varlistentry id="sleep"> |
---|
| 849 | <term><command>sleep</command></term> |
---|
| 850 | <listitem> |
---|
| 851 | <para>Pauses for the given amount of time</para> |
---|
| 852 | <indexterm zone="ch-system-coreutils sleep"> |
---|
| 853 | <primary sortas="b-sleep">sleep</primary> |
---|
| 854 | </indexterm> |
---|
| 855 | </listitem> |
---|
| 856 | </varlistentry> |
---|
| 857 | |
---|
| 858 | <varlistentry id="sort"> |
---|
| 859 | <term><command>sort</command></term> |
---|
| 860 | <listitem> |
---|
| 861 | <para>Sorts the lines from the given files</para> |
---|
| 862 | <indexterm zone="ch-system-coreutils sort"> |
---|
| 863 | <primary sortas="b-sort">sort</primary> |
---|
| 864 | </indexterm> |
---|
| 865 | </listitem> |
---|
| 866 | </varlistentry> |
---|
| 867 | |
---|
| 868 | <varlistentry id="split"> |
---|
| 869 | <term><command>split</command></term> |
---|
| 870 | <listitem> |
---|
| 871 | <para>Splits the given file into pieces, by size or by number of |
---|
| 872 | lines</para> |
---|
| 873 | <indexterm zone="ch-system-coreutils split"> |
---|
| 874 | <primary sortas="b-split">split</primary> |
---|
| 875 | </indexterm> |
---|
| 876 | </listitem> |
---|
| 877 | </varlistentry> |
---|
| 878 | |
---|
| 879 | <varlistentry id="stat"> |
---|
| 880 | <term><command>stat</command></term> |
---|
| 881 | <listitem> |
---|
| 882 | <para>Displays file or filesystem status</para> |
---|
| 883 | <indexterm zone="ch-system-coreutils stat"> |
---|
| 884 | <primary sortas="b-stat">stat</primary> |
---|
| 885 | </indexterm> |
---|
| 886 | </listitem> |
---|
| 887 | </varlistentry> |
---|
| 888 | |
---|
| 889 | <varlistentry id="stty"> |
---|
| 890 | <term><command>stty</command></term> |
---|
| 891 | <listitem> |
---|
| 892 | <para>Sets or reports terminal line settings</para> |
---|
| 893 | <indexterm zone="ch-system-coreutils stty"> |
---|
| 894 | <primary sortas="b-stty">stty</primary> |
---|
| 895 | </indexterm> |
---|
| 896 | </listitem> |
---|
| 897 | </varlistentry> |
---|
| 898 | |
---|
| 899 | <varlistentry id="sum"> |
---|
| 900 | <term><command>sum</command></term> |
---|
| 901 | <listitem> |
---|
| 902 | <para>Prints checksum and block counts for each given file</para> |
---|
| 903 | <indexterm zone="ch-system-coreutils sum"> |
---|
| 904 | <primary sortas="b-sum">sum</primary> |
---|
| 905 | </indexterm> |
---|
| 906 | </listitem> |
---|
| 907 | </varlistentry> |
---|
| 908 | |
---|
| 909 | <varlistentry id="sync"> |
---|
| 910 | <term><command>sync</command></term> |
---|
| 911 | <listitem> |
---|
| 912 | <para>Flushes file system buffers; it forces changed blocks to disk |
---|
| 913 | and updates the super block</para> |
---|
| 914 | <indexterm zone="ch-system-coreutils sync"> |
---|
| 915 | <primary sortas="b-sync">sync</primary> |
---|
| 916 | </indexterm> |
---|
| 917 | </listitem> |
---|
| 918 | </varlistentry> |
---|
| 919 | |
---|
| 920 | <varlistentry id="tac"> |
---|
| 921 | <term><command>tac</command></term> |
---|
| 922 | <listitem> |
---|
| 923 | <para>Concatenates the given files in reverse</para> |
---|
| 924 | <indexterm zone="ch-system-coreutils tac"> |
---|
| 925 | <primary sortas="b-tac">tac</primary> |
---|
| 926 | </indexterm> |
---|
| 927 | </listitem> |
---|
| 928 | </varlistentry> |
---|
| 929 | |
---|
| 930 | <varlistentry id="tail"> |
---|
| 931 | <term><command>tail</command></term> |
---|
| 932 | <listitem> |
---|
| 933 | <para>Prints the last ten lines (or the given number of lines) of each |
---|
| 934 | given file</para> |
---|
| 935 | <indexterm zone="ch-system-coreutils tail"> |
---|
| 936 | <primary sortas="b-tail">tail</primary> |
---|
| 937 | </indexterm> |
---|
| 938 | </listitem> |
---|
| 939 | </varlistentry> |
---|
| 940 | |
---|
| 941 | <varlistentry id="tee"> |
---|
| 942 | <term><command>tee</command></term> |
---|
| 943 | <listitem> |
---|
| 944 | <para>Reads from standard input while writing both to standard output |
---|
| 945 | and to the given files</para> |
---|
| 946 | <indexterm zone="ch-system-coreutils tee"> |
---|
| 947 | <primary sortas="b-tee">tee</primary> |
---|
| 948 | </indexterm> |
---|
| 949 | </listitem> |
---|
| 950 | </varlistentry> |
---|
| 951 | |
---|
| 952 | <varlistentry id="test"> |
---|
[b16b4dc] | 953 | <term><command>test</command> or <command>[</command></term> |
---|
[02095ae] | 954 | <listitem> |
---|
| 955 | <para>Compares values and checks file types</para> |
---|
| 956 | <indexterm zone="ch-system-coreutils test"> |
---|
| 957 | <primary sortas="b-test">test</primary> |
---|
| 958 | </indexterm> |
---|
| 959 | </listitem> |
---|
| 960 | </varlistentry> |
---|
| 961 | |
---|
[058bc6b] | 962 | <varlistentry id="timeout"> |
---|
| 963 | <term><command>timeout</command></term> |
---|
| 964 | <listitem> |
---|
| 965 | <para>Runs a command with a time limit</para> |
---|
| 966 | <indexterm zone="ch-system-coreutils timeout"> |
---|
| 967 | <primary sortas="b-timeout">timeout</primary> |
---|
| 968 | </indexterm> |
---|
| 969 | </listitem> |
---|
| 970 | </varlistentry> |
---|
| 971 | |
---|
[02095ae] | 972 | <varlistentry id="touch"> |
---|
| 973 | <term><command>touch</command></term> |
---|
| 974 | <listitem> |
---|
| 975 | <para>Changes file timestamps, setting the access and modification |
---|
| 976 | times of the given files to the current time; files that do not exist |
---|
| 977 | are created with zero length</para> |
---|
| 978 | <indexterm zone="ch-system-coreutils touch"> |
---|
| 979 | <primary sortas="b-touch">touch</primary> |
---|
| 980 | </indexterm> |
---|
| 981 | </listitem> |
---|
| 982 | </varlistentry> |
---|
| 983 | |
---|
| 984 | <varlistentry id="tr"> |
---|
| 985 | <term><command>tr</command></term> |
---|
| 986 | <listitem> |
---|
| 987 | <para>Translates, squeezes, and deletes the given characters from |
---|
| 988 | standard input</para> |
---|
| 989 | <indexterm zone="ch-system-coreutils tr"> |
---|
| 990 | <primary sortas="b-tr">tr</primary> |
---|
| 991 | </indexterm> |
---|
| 992 | </listitem> |
---|
| 993 | </varlistentry> |
---|
| 994 | |
---|
| 995 | <varlistentry id="true"> |
---|
| 996 | <term><command>true</command></term> |
---|
| 997 | <listitem> |
---|
| 998 | <para>Does nothing, successfully; it always exits with a status code |
---|
| 999 | indicating success</para> |
---|
| 1000 | <indexterm zone="ch-system-coreutils true"> |
---|
| 1001 | <primary sortas="b-true">true</primary> |
---|
| 1002 | </indexterm> |
---|
| 1003 | </listitem> |
---|
| 1004 | </varlistentry> |
---|
| 1005 | |
---|
[058bc6b] | 1006 | <varlistentry id="truncate"> |
---|
| 1007 | <term><command>truncate</command></term> |
---|
| 1008 | <listitem> |
---|
| 1009 | <para>Shrinks or expands a file to the specified size</para> |
---|
| 1010 | <indexterm zone="ch-system-coreutils truncate"> |
---|
| 1011 | <primary sortas="b-truncate">truncate</primary> |
---|
| 1012 | </indexterm> |
---|
| 1013 | </listitem> |
---|
| 1014 | </varlistentry> |
---|
| 1015 | |
---|
[02095ae] | 1016 | <varlistentry id="tsort"> |
---|
| 1017 | <term><command>tsort</command></term> |
---|
| 1018 | <listitem> |
---|
| 1019 | <para>Performs a topological sort; it writes a completely ordered list |
---|
| 1020 | according to the partial ordering in a given file</para> |
---|
| 1021 | <indexterm zone="ch-system-coreutils tsort"> |
---|
| 1022 | <primary sortas="b-tsort">tsort</primary> |
---|
| 1023 | </indexterm> |
---|
| 1024 | </listitem> |
---|
| 1025 | </varlistentry> |
---|
| 1026 | |
---|
| 1027 | <varlistentry id="tty"> |
---|
| 1028 | <term><command>tty</command></term> |
---|
| 1029 | <listitem> |
---|
| 1030 | <para>Reports the file name of the terminal connected to standard |
---|
| 1031 | input</para> |
---|
| 1032 | <indexterm zone="ch-system-coreutils tty"> |
---|
| 1033 | <primary sortas="b-tty">tty</primary> |
---|
| 1034 | </indexterm> |
---|
| 1035 | </listitem> |
---|
| 1036 | </varlistentry> |
---|
| 1037 | |
---|
| 1038 | <varlistentry id="uname"> |
---|
| 1039 | <term><command>uname</command></term> |
---|
| 1040 | <listitem> |
---|
| 1041 | <para>Reports system information</para> |
---|
| 1042 | <indexterm zone="ch-system-coreutils uname"> |
---|
| 1043 | <primary sortas="b-uname">uname</primary> |
---|
| 1044 | </indexterm> |
---|
| 1045 | </listitem> |
---|
| 1046 | </varlistentry> |
---|
| 1047 | |
---|
| 1048 | <varlistentry id="unexpand"> |
---|
| 1049 | <term><command>unexpand</command></term> |
---|
| 1050 | <listitem> |
---|
| 1051 | <para>Converts spaces to tabs</para> |
---|
| 1052 | <indexterm zone="ch-system-coreutils unexpand"> |
---|
| 1053 | <primary sortas="b-unexpand">unexpand</primary> |
---|
| 1054 | </indexterm> |
---|
| 1055 | </listitem> |
---|
| 1056 | </varlistentry> |
---|
| 1057 | |
---|
| 1058 | <varlistentry id="uniq"> |
---|
| 1059 | <term><command>uniq</command></term> |
---|
| 1060 | <listitem> |
---|
| 1061 | <para>Discards all but one of successive identical lines</para> |
---|
| 1062 | <indexterm zone="ch-system-coreutils uniq"> |
---|
| 1063 | <primary sortas="b-uniq">uniq</primary> |
---|
| 1064 | </indexterm> |
---|
| 1065 | </listitem> |
---|
| 1066 | </varlistentry> |
---|
| 1067 | |
---|
| 1068 | <varlistentry id="unlink"> |
---|
| 1069 | <term><command>unlink</command></term> |
---|
| 1070 | <listitem> |
---|
| 1071 | <para>Removes the given file</para> |
---|
| 1072 | <indexterm zone="ch-system-coreutils unlink"> |
---|
| 1073 | <primary sortas="b-unlink">unlink</primary> |
---|
| 1074 | </indexterm> |
---|
| 1075 | </listitem> |
---|
| 1076 | </varlistentry> |
---|
| 1077 | |
---|
| 1078 | <varlistentry id="users"> |
---|
| 1079 | <term><command>users</command></term> |
---|
| 1080 | <listitem> |
---|
| 1081 | <para>Reports the names of the users currently logged on</para> |
---|
| 1082 | <indexterm zone="ch-system-coreutils users"> |
---|
| 1083 | <primary sortas="b-users">users</primary> |
---|
| 1084 | </indexterm> |
---|
| 1085 | </listitem> |
---|
| 1086 | </varlistentry> |
---|
| 1087 | |
---|
| 1088 | <varlistentry id="vdir"> |
---|
| 1089 | <term><command>vdir</command></term> |
---|
| 1090 | <listitem> |
---|
| 1091 | <para>Is the same as <command>ls -l</command></para> |
---|
| 1092 | <indexterm zone="ch-system-coreutils vdir"> |
---|
| 1093 | <primary sortas="b-vdir">vdir</primary> |
---|
| 1094 | </indexterm> |
---|
| 1095 | </listitem> |
---|
| 1096 | </varlistentry> |
---|
| 1097 | |
---|
| 1098 | <varlistentry id="wc"> |
---|
| 1099 | <term><command>wc</command></term> |
---|
| 1100 | <listitem> |
---|
| 1101 | <para>Reports the number of lines, words, and bytes for each given |
---|
| 1102 | file, as well as a total line when more than one file is given</para> |
---|
| 1103 | <indexterm zone="ch-system-coreutils wc"> |
---|
| 1104 | <primary sortas="b-wc">wc</primary> |
---|
| 1105 | </indexterm> |
---|
| 1106 | </listitem> |
---|
| 1107 | </varlistentry> |
---|
| 1108 | |
---|
| 1109 | <varlistentry id="who"> |
---|
| 1110 | <term><command>who</command></term> |
---|
| 1111 | <listitem> |
---|
| 1112 | <para>Reports who is logged on</para> |
---|
| 1113 | <indexterm zone="ch-system-coreutils who"> |
---|
| 1114 | <primary sortas="b-who">who</primary> |
---|
| 1115 | </indexterm> |
---|
| 1116 | </listitem> |
---|
| 1117 | </varlistentry> |
---|
| 1118 | |
---|
| 1119 | <varlistentry id="whoami"> |
---|
| 1120 | <term><command>whoami</command></term> |
---|
| 1121 | <listitem> |
---|
| 1122 | <para>Reports the user name associated with the current effective |
---|
| 1123 | user ID</para> |
---|
| 1124 | <indexterm zone="ch-system-coreutils whoami"> |
---|
| 1125 | <primary sortas="b-whoami">whoami</primary> |
---|
| 1126 | </indexterm> |
---|
| 1127 | </listitem> |
---|
| 1128 | </varlistentry> |
---|
| 1129 | |
---|
| 1130 | <varlistentry id="yes"> |
---|
| 1131 | <term><command>yes</command></term> |
---|
| 1132 | <listitem> |
---|
| 1133 | <para>Repeatedly outputs <quote>y</quote> or a given string until |
---|
| 1134 | killed</para> |
---|
| 1135 | <indexterm zone="ch-system-coreutils yes"> |
---|
| 1136 | <primary sortas="b-yes">yes</primary> |
---|
| 1137 | </indexterm> |
---|
| 1138 | </listitem> |
---|
| 1139 | </varlistentry> |
---|
| 1140 | |
---|
| 1141 | </variablelist> |
---|
| 1142 | |
---|
| 1143 | </sect2> |
---|
| 1144 | |
---|
| 1145 | </sect1> |
---|