[bf8c11f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/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-util-linux" role="wrap"> |
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| 9 | <?dbhtml filename="util-linux.html"?> |
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| 10 | |
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| 11 | <title>Util-linux-&util-linux-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-system-util-linux"> |
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| 14 | <primary sortas="a-Util-linux">Util-linux</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 Util-linux package contains miscellaneous utility programs. |
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| 21 | Among them are utilities for handling file systems, consoles, partitions, |
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| 22 | and messages.</para> |
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| 23 | |
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| 24 | |
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| 25 | </sect2> |
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| 26 | |
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| 27 | <sect2 id="fhs-util-linux" role="installation"> |
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| 28 | <title>FHS compliance notes</title> |
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| 29 | |
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| 30 | <para>The FHS recommends using the <filename |
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| 31 | class="directory">/var/lib/hwclock</filename> directory instead of the |
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| 32 | usual <filename class="directory">/etc</filename> directory as the |
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| 33 | location for the <filename>adjtime</filename> file. To make the |
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| 34 | <command>hwclock</command> program FHS-compliant, run the following:</para> |
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| 35 | |
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| 36 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \ |
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| 37 | hwclock/hwclock.c |
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[761ad5b] | 38 | mkdir -pv /var/lib/hwclock</userinput></screen> |
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[bf8c11f] | 39 | |
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| 40 | </sect2> |
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| 41 | |
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| 42 | <sect2 role="installation"> |
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| 43 | <title>Installation of Util-linux</title> |
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| 44 | |
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[e6423a01] | 45 | <para os="p1">Util-linux fails to compile against newer versions of |
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[3992491] | 46 | Linux kernel headers. The following patch properly fixes this issue:</para> |
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[bf8c11f] | 47 | |
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[e6423a01] | 48 | <screen os="p2"><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen> |
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[bf8c11f] | 49 | |
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[45ac04d2] | 50 | <para os="p3">The following patch fixes build issues with GCC &gcc-version;:</para> |
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[bf8c11f] | 51 | |
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[e6423a01] | 52 | <screen os="p4"><userinput>patch -Np1 -i ../&util-linux-gcc4_fixes-patch;</userinput></screen> |
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[bf8c11f] | 53 | |
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[5616325] | 54 | <para os="p5">The following patch fixes swapon.c, it tries to find the variable R_OK, but |
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| 55 | the header that has R_OK is not included:</para> |
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| 56 | |
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| 57 | <screen os="p6"><userinput>patch -Np1 -i ../&util-linux-missing_header-patch;</userinput></screen> |
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| 58 | |
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[e6423a01] | 59 | <para os="a">Prepare Util-linux for compilation:</para> |
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[bf8c11f] | 60 | |
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[e6423a01] | 61 | <screen os="b"><userinput>./configure</userinput></screen> |
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[bf8c11f] | 62 | |
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[e6423a01] | 63 | <para os="c">Compile the package:</para> |
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[bf8c11f] | 64 | |
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[e6423a01] | 65 | <screen os="d"><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen> |
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[bf8c11f] | 66 | |
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[e6423a01] | 67 | <variablelist os="e"> |
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[bf8c11f] | 68 | <title>The meaning of the make parameters:</title> |
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| 69 | |
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[e6423a01] | 70 | <varlistentry os="e1"> |
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[bf8c11f] | 71 | <term><parameter>HAVE_KILL=yes</parameter></term> |
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| 72 | <listitem> |
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| 73 | <para>This prevents the <command>kill</command> program (already |
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| 74 | installed by Procps) from being built and installed again.</para> |
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| 75 | </listitem> |
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| 76 | </varlistentry> |
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| 77 | |
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[e6423a01] | 78 | <varlistentry os="e2"> |
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[bf8c11f] | 79 | <term><parameter>HAVE_SLN=yes</parameter></term> |
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| 80 | <listitem> |
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| 81 | <para>This prevents the <command>sln</command> program (a |
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| 82 | statically linked version of <command>ln</command> already installed |
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| 83 | by Glibc) from being built and installed again.</para> |
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| 84 | </listitem> |
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| 85 | </varlistentry> |
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| 86 | |
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| 87 | </variablelist> |
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| 88 | |
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[e6423a01] | 89 | <para os="f">This package does not come with a test suite.</para> |
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[bf8c11f] | 90 | |
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[e6423a01] | 91 | <para os="g">Install the package and move the <command>logger</command> binary |
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[bf8c11f] | 92 | to <filename class="directory">/bin</filename> as it is needed by the |
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| 93 | LFS-Bootscripts package:</para> |
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| 94 | |
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[e6423a01] | 95 | <screen os="h"><userinput>make HAVE_KILL=yes HAVE_SLN=yes install |
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[9f5bc2cc] | 96 | mv -v /usr/bin/logger /bin</userinput></screen> |
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[bf8c11f] | 97 | |
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| 98 | </sect2> |
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| 99 | |
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| 100 | <sect2 id="contents-util-linux" role="content"> |
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| 101 | <title>Contents of Util-linux</title> |
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| 102 | |
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| 103 | <segmentedlist> |
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| 104 | <segtitle>Installed programs</segtitle> |
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| 105 | |
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| 106 | <seglistitem> |
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| 107 | <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt, |
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| 108 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, |
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| 109 | fdisk, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, |
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| 110 | ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs, |
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| 111 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root, |
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| 112 | ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev, |
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| 113 | rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk, |
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| 114 | swapdev, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode |
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| 115 | (link to rdev), whereis, and write</seg> |
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| 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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| 124 | <varlistentry id="agetty"> |
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| 125 | <term><command>agetty</command></term> |
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| 126 | <listitem> |
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| 127 | <para>Opens a tty port, prompts for a login name, |
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| 128 | and then invokes the <command>login</command> program</para> |
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| 129 | <indexterm zone="ch-system-util-linux agetty"> |
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| 130 | <primary sortas="b-agetty">agetty</primary> |
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| 131 | </indexterm> |
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| 132 | </listitem> |
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| 133 | </varlistentry> |
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| 134 | |
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| 135 | <varlistentry id="arch"> |
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| 136 | <term><command>arch</command></term> |
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| 137 | <listitem> |
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| 138 | <para>Reports the machine's architecture</para> |
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| 139 | <indexterm zone="ch-system-util-linux arch"> |
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| 140 | <primary sortas="b-arch">arch</primary> |
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| 141 | </indexterm> |
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| 142 | </listitem> |
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| 143 | </varlistentry> |
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| 144 | |
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| 145 | <varlistentry id="blockdev"> |
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| 146 | <term><command>blockdev</command></term> |
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| 147 | <listitem> |
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| 148 | <para>Allows users to call block device ioctls from the command |
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| 149 | line</para> |
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| 150 | <indexterm zone="ch-system-util-linux blockdev"> |
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| 151 | <primary sortas="b-blockdev">blockdev</primary> |
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| 152 | </indexterm> |
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| 153 | </listitem> |
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| 154 | </varlistentry> |
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| 155 | |
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| 156 | <varlistentry id="cal"> |
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| 157 | <term><command>cal</command></term> |
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| 158 | <listitem> |
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| 159 | <para>Displays a simple calendar</para> |
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| 160 | <indexterm zone="ch-system-util-linux cal"> |
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| 161 | <primary sortas="b-cal">cal</primary> |
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| 162 | </indexterm> |
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| 163 | </listitem> |
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| 164 | </varlistentry> |
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| 165 | |
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| 166 | <varlistentry id="cfdisk"> |
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| 167 | <term><command>cfdisk</command></term> |
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| 168 | <listitem> |
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| 169 | <para>Manipulates the partition table of the given device</para> |
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| 170 | <indexterm zone="ch-system-util-linux cfdisk"> |
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| 171 | <primary sortas="b-cfdisk">cfdisk</primary> |
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| 172 | </indexterm> |
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| 173 | </listitem> |
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| 174 | </varlistentry> |
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| 175 | |
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| 176 | <varlistentry id="chkdupexe"> |
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| 177 | <term><command>chkdupexe</command></term> |
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| 178 | <listitem> |
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| 179 | <para>Finds duplicate executables</para> |
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| 180 | <indexterm zone="ch-system-util-linux chkdupexe"> |
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| 181 | <primary sortas="b-chkdupexe">chkdupexe</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="col"> |
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| 187 | <term><command>col</command></term> |
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| 188 | <listitem> |
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| 189 | <para>Filters out reverse line feeds</para> |
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| 190 | <indexterm zone="ch-system-util-linux col"> |
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| 191 | <primary sortas="b-col">col</primary> |
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| 192 | </indexterm> |
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| 193 | </listitem> |
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| 194 | </varlistentry> |
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| 195 | |
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| 196 | <varlistentry id="colcrt"> |
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| 197 | <term><command>colcrt</command></term> |
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| 198 | <listitem> |
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| 199 | <para>Filters <command>nroff</command> output for terminals |
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| 200 | that lack some capabilities, such as overstriking and half-lines</para> |
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| 201 | <indexterm zone="ch-system-util-linux colcrt"> |
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| 202 | <primary sortas="b-colcrt">colcrt</primary> |
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| 203 | </indexterm> |
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| 204 | </listitem> |
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| 205 | </varlistentry> |
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| 206 | |
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| 207 | <varlistentry id="colrm"> |
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| 208 | <term><command>colrm</command></term> |
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| 209 | <listitem> |
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| 210 | <para>Filters out the given columns</para> |
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| 211 | <indexterm zone="ch-system-util-linux colrm"> |
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| 212 | <primary sortas="b-colrm">colrm</primary> |
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| 213 | </indexterm> |
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| 214 | </listitem> |
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| 215 | </varlistentry> |
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| 216 | |
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| 217 | <varlistentry id="column"> |
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| 218 | <term><command>column</command></term> |
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| 219 | <listitem> |
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| 220 | <para>Formats a given file into multiple columns</para> |
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| 221 | <indexterm zone="ch-system-util-linux column"> |
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| 222 | <primary sortas="b-column">column</primary> |
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| 223 | </indexterm> |
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| 224 | </listitem> |
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| 225 | </varlistentry> |
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| 226 | |
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| 227 | <varlistentry id="ctrlaltdel"> |
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| 228 | <term><command>ctrlaltdel</command></term> |
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| 229 | <listitem> |
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| 230 | <para>Sets the function of the Ctrl+Alt+Del key combination to a |
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| 231 | hard or a soft reset</para> |
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| 232 | <indexterm zone="ch-system-util-linux ctrlaltdel"> |
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| 233 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary> |
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| 234 | </indexterm> |
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| 235 | </listitem> |
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| 236 | </varlistentry> |
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| 237 | |
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| 238 | <varlistentry id="cytune"> |
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| 239 | <term><command>cytune</command></term> |
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| 240 | <listitem> |
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| 241 | <para>Tunes the parameters of the serial line drivers for |
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| 242 | Cyclades cards</para> |
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| 243 | <indexterm zone="ch-system-util-linux cytune"> |
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| 244 | <primary sortas="b-cytune">cytune</primary> |
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| 245 | </indexterm> |
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| 246 | </listitem> |
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| 247 | </varlistentry> |
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| 248 | |
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| 249 | <varlistentry id="ddate"> |
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| 250 | <term><command>ddate</command></term> |
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| 251 | <listitem> |
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| 252 | <para>Gives the Discordian date or converts the given Gregorian date |
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| 253 | to a Discordian one</para> |
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| 254 | <indexterm zone="ch-system-util-linux ddate"> |
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| 255 | <primary sortas="b-ddate">ddate</primary> |
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| 256 | </indexterm> |
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| 257 | </listitem> |
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| 258 | </varlistentry> |
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| 259 | |
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| 260 | <varlistentry id="dmesg"> |
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| 261 | <term><command>dmesg</command></term> |
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| 262 | <listitem> |
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| 263 | <para>Dumps the kernel boot messages</para> |
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| 264 | <indexterm zone="ch-system-util-linux dmesg"> |
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| 265 | <primary sortas="b-dmesg">dmesg</primary> |
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| 266 | </indexterm> |
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| 267 | </listitem> |
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| 268 | </varlistentry> |
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| 269 | |
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| 270 | <varlistentry id="elvtune"> |
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| 271 | <term><command>elvtune</command></term> |
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| 272 | <listitem> |
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| 273 | <para>Tunes the performance and interactivity of a block |
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| 274 | device</para> |
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| 275 | <indexterm zone="ch-system-util-linux elvtune"> |
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| 276 | <primary sortas="b-elvtune">elvtune</primary> |
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| 277 | </indexterm> |
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| 278 | </listitem> |
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| 279 | </varlistentry> |
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| 280 | |
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| 281 | <varlistentry id="fdformat"> |
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| 282 | <term><command>fdformat</command></term> |
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| 283 | <listitem> |
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| 284 | <para>Low-level formats a floppy disk</para> |
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| 285 | <indexterm zone="ch-system-util-linux fdformat"> |
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| 286 | <primary sortas="b-fdformat">fdformat</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="fdisk"> |
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| 292 | <term><command>fdisk</command></term> |
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| 293 | <listitem> |
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| 294 | <para>Manipulates the partition table of the given device</para> |
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| 295 | <indexterm zone="ch-system-util-linux fdisk"> |
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| 296 | <primary sortas="b-fdisk">fdisk</primary> |
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| 297 | </indexterm> |
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| 298 | </listitem> |
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| 299 | </varlistentry> |
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| 300 | |
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| 301 | <varlistentry id="fsck.cramfs"> |
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| 302 | <term><command>fsck.cramfs</command></term> |
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| 303 | <listitem> |
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| 304 | <para>Performs a consistency check on the Cramfs file system on the |
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| 305 | given device</para> |
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| 306 | <indexterm zone="ch-system-util-linux fsck.cramfs"> |
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| 307 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary> |
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| 308 | </indexterm> |
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| 309 | </listitem> |
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| 310 | </varlistentry> |
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| 311 | |
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| 312 | <varlistentry id="fsck.minix"> |
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| 313 | <term><command>fsck.minix</command></term> |
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| 314 | <listitem> |
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| 315 | <para>Performs a consistency check on the Minix file system on the |
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| 316 | given device</para> |
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| 317 | <indexterm zone="ch-system-util-linux fsck.minix"> |
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| 318 | <primary sortas="b-fsck.minix">fsck.minix</primary> |
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| 319 | </indexterm> |
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| 320 | </listitem> |
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| 321 | </varlistentry> |
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| 322 | |
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| 323 | <varlistentry id="getopt"> |
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| 324 | <term><command>getopt</command></term> |
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| 325 | <listitem> |
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| 326 | <para>Parses options in the given command line</para> |
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| 327 | <indexterm zone="ch-system-util-linux getopt"> |
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| 328 | <primary sortas="b-getopt">getopt</primary> |
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| 329 | </indexterm> |
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| 330 | </listitem> |
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| 331 | </varlistentry> |
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| 332 | |
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| 333 | <varlistentry id="hexdump"> |
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| 334 | <term><command>hexdump</command></term> |
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| 335 | <listitem> |
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| 336 | <para>Dumps the given file in hexadecimal or in another given |
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| 337 | format</para> |
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| 338 | <indexterm zone="ch-system-util-linux hexdump"> |
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| 339 | <primary sortas="b-hexdump">hexdump</primary> |
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| 340 | </indexterm> |
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| 341 | </listitem> |
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| 342 | </varlistentry> |
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| 343 | |
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| 344 | <varlistentry id="hwclock"> |
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| 345 | <term><command>hwclock</command></term> |
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| 346 | <listitem> |
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| 347 | <para>Reads or sets the system's hardware clock, also called |
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| 348 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS) |
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| 349 | clock</para> |
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| 350 | <indexterm zone="ch-system-util-linux hwclock"> |
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| 351 | <primary sortas="b-hwclock">hwclock</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="ipcrm"> |
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| 357 | <term><command>ipcrm</command></term> |
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| 358 | <listitem> |
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| 359 | <para>Removes the given Inter-Process Communication (IPC) resource</para> |
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| 360 | <indexterm zone="ch-system-util-linux ipcrm"> |
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| 361 | <primary sortas="b-ipcrm">ipcrm</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="ipcs"> |
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| 367 | <term><command>ipcs</command></term> |
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| 368 | <listitem> |
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| 369 | <para>Provides IPC status information</para> |
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| 370 | <indexterm zone="ch-system-util-linux ipcs"> |
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| 371 | <primary sortas="b-ipcs">ipcs</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="isosize"> |
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| 377 | <term><command>isosize</command></term> |
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| 378 | <listitem> |
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| 379 | <para>Reports the size of an iso9660 file system</para> |
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| 380 | <indexterm zone="ch-system-util-linux isosize"> |
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| 381 | <primary sortas="b-isosize">isosize</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="line"> |
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| 387 | <term><command>line</command></term> |
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| 388 | <listitem> |
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| 389 | <para>Copies a single line</para> |
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| 390 | <indexterm zone="ch-system-util-linux line"> |
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| 391 | <primary sortas="b-line">line</primary> |
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| 392 | </indexterm> |
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| 393 | </listitem> |
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| 394 | </varlistentry> |
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| 395 | |
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| 396 | <varlistentry id="logger"> |
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| 397 | <term><command>logger</command></term> |
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| 398 | <listitem> |
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| 399 | <para>Enters the given message into the system log</para> |
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| 400 | <indexterm zone="ch-system-util-linux logger"> |
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| 401 | <primary sortas="b-logger">logger</primary> |
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| 402 | </indexterm> |
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| 403 | </listitem> |
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| 404 | </varlistentry> |
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| 405 | |
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| 406 | <varlistentry id="look"> |
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| 407 | <term><command>look</command></term> |
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| 408 | <listitem> |
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| 409 | <para>Displays lines that begin with the given string</para> |
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| 410 | <indexterm zone="ch-system-util-linux look"> |
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| 411 | <primary sortas="b-look">look</primary> |
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| 412 | </indexterm> |
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| 413 | </listitem> |
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| 414 | </varlistentry> |
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| 415 | |
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| 416 | <varlistentry id="losetup"> |
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| 417 | <term><command>losetup</command></term> |
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| 418 | <listitem> |
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| 419 | <para>Sets up and controls loop devices</para> |
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| 420 | <indexterm zone="ch-system-util-linux losetup"> |
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| 421 | <primary sortas="b-losetup">losetup</primary> |
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| 422 | </indexterm> |
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| 423 | </listitem> |
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| 424 | </varlistentry> |
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| 425 | |
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| 426 | <varlistentry id="mcookie"> |
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| 427 | <term><command>mcookie</command></term> |
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| 428 | <listitem> |
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| 429 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for |
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| 430 | <command>xauth</command></para> |
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| 431 | <indexterm zone="ch-system-util-linux mcookie"> |
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| 432 | <primary sortas="b-mcookie">mcookie</primary> |
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| 433 | </indexterm> |
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| 434 | </listitem> |
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| 435 | </varlistentry> |
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| 436 | |
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| 437 | <varlistentry id="mkfs"> |
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| 438 | <term><command>mkfs</command></term> |
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| 439 | <listitem> |
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| 440 | <para>Builds a file system on a device (usually a hard disk |
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| 441 | partition)</para> |
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| 442 | <indexterm zone="ch-system-util-linux mkfs"> |
---|
| 443 | <primary sortas="b-mkfs">mkfs</primary> |
---|
| 444 | </indexterm> |
---|
| 445 | </listitem> |
---|
| 446 | </varlistentry> |
---|
| 447 | |
---|
| 448 | <varlistentry id="mkfs.bfs"> |
---|
| 449 | <term><command>mkfs.bfs</command></term> |
---|
| 450 | <listitem> |
---|
| 451 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para> |
---|
| 452 | <indexterm zone="ch-system-util-linux mkfs.bfs"> |
---|
| 453 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary> |
---|
| 454 | </indexterm> |
---|
| 455 | </listitem> |
---|
| 456 | </varlistentry> |
---|
| 457 | |
---|
| 458 | <varlistentry id="mkfs.cramfs"> |
---|
| 459 | <term><command>mkfs.cramfs</command></term> |
---|
| 460 | <listitem> |
---|
| 461 | <para>Creates a cramfs file system</para> |
---|
| 462 | <indexterm zone="ch-system-util-linux mkfs.cramfs"> |
---|
| 463 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary> |
---|
| 464 | </indexterm> |
---|
| 465 | </listitem> |
---|
| 466 | </varlistentry> |
---|
| 467 | |
---|
| 468 | <varlistentry id="mkfs.minix"> |
---|
| 469 | <term><command>mkfs.minix</command></term> |
---|
| 470 | <listitem> |
---|
| 471 | <para>Creates a Minix file system</para> |
---|
| 472 | <indexterm zone="ch-system-util-linux mkfs.minix"> |
---|
| 473 | <primary sortas="b-mkfs.minix">mkfs.minix</primary> |
---|
| 474 | </indexterm> |
---|
| 475 | </listitem> |
---|
| 476 | </varlistentry> |
---|
| 477 | |
---|
| 478 | <varlistentry id="mkswap"> |
---|
| 479 | <term><command>mkswap</command></term> |
---|
| 480 | <listitem> |
---|
| 481 | <para>Initializes the given device or file to be used as a swap |
---|
| 482 | area</para> |
---|
| 483 | <indexterm zone="ch-system-util-linux mkswap"> |
---|
| 484 | <primary sortas="b-mkswap">mkswap</primary> |
---|
| 485 | </indexterm> |
---|
| 486 | </listitem> |
---|
| 487 | </varlistentry> |
---|
| 488 | |
---|
| 489 | <varlistentry id="more"> |
---|
| 490 | <term><command>more</command></term> |
---|
| 491 | <listitem> |
---|
| 492 | <para>A filter for paging through text one screen at a time</para> |
---|
| 493 | <indexterm zone="ch-system-util-linux more"> |
---|
| 494 | <primary sortas="b-more">more</primary> |
---|
| 495 | </indexterm> |
---|
| 496 | </listitem> |
---|
| 497 | </varlistentry> |
---|
| 498 | |
---|
| 499 | <varlistentry id="mount"> |
---|
| 500 | <term><command>mount</command></term> |
---|
| 501 | <listitem> |
---|
| 502 | <para>Attaches the file system on the given device to a specified |
---|
| 503 | directory in the file-system tree</para> |
---|
| 504 | <indexterm zone="ch-system-util-linux mount"> |
---|
| 505 | <primary sortas="b-mount">mount</primary> |
---|
| 506 | </indexterm> |
---|
| 507 | </listitem> |
---|
| 508 | </varlistentry> |
---|
| 509 | |
---|
| 510 | <varlistentry id="namei"> |
---|
| 511 | <term><command>namei</command></term> |
---|
| 512 | <listitem> |
---|
| 513 | <para>Shows the symbolic links in the given pathnames</para> |
---|
| 514 | <indexterm zone="ch-system-util-linux namei"> |
---|
| 515 | <primary sortas="b-namei">namei</primary> |
---|
| 516 | </indexterm> |
---|
| 517 | </listitem> |
---|
| 518 | </varlistentry> |
---|
| 519 | |
---|
| 520 | <varlistentry id="pg"> |
---|
| 521 | <term><command>pg</command></term> |
---|
| 522 | <listitem> |
---|
| 523 | <para>Displays a text file one screen full at a time</para> |
---|
| 524 | <indexterm zone="ch-system-util-linux pg"> |
---|
| 525 | <primary sortas="b-pg">pg</primary> |
---|
| 526 | </indexterm> |
---|
| 527 | </listitem> |
---|
| 528 | </varlistentry> |
---|
| 529 | |
---|
| 530 | <varlistentry id="pivot_root"> |
---|
| 531 | <term><command>pivot_root</command></term> |
---|
| 532 | <listitem> |
---|
| 533 | <para>Makes the given file system the new root file system of the |
---|
| 534 | current process</para> |
---|
| 535 | <indexterm zone="ch-system-util-linux pivot_root"> |
---|
| 536 | <primary sortas="b-pivot_root">pivot_root</primary> |
---|
| 537 | </indexterm> |
---|
| 538 | </listitem> |
---|
| 539 | </varlistentry> |
---|
| 540 | |
---|
| 541 | <varlistentry id="ramsize"> |
---|
| 542 | <term><command>ramsize</command></term> |
---|
| 543 | <listitem> |
---|
| 544 | <para>Sets the size of the RAM disk in a bootable image</para> |
---|
| 545 | <indexterm zone="ch-system-util-linux ramsize"> |
---|
| 546 | <primary sortas="b-ramsize">ramsize</primary> |
---|
| 547 | </indexterm> |
---|
| 548 | </listitem> |
---|
| 549 | </varlistentry> |
---|
| 550 | |
---|
| 551 | <varlistentry id="raw"> |
---|
| 552 | <term><command>raw</command></term> |
---|
| 553 | <listitem> |
---|
| 554 | <para>Used to bind a Linux raw character device to a block |
---|
| 555 | device</para> |
---|
| 556 | <indexterm zone="ch-system-util-linux raw"> |
---|
| 557 | <primary sortas="b-raw">raw</primary> |
---|
| 558 | </indexterm> |
---|
| 559 | </listitem> |
---|
| 560 | </varlistentry> |
---|
| 561 | |
---|
| 562 | <varlistentry id="rdev"> |
---|
| 563 | <term><command>rdev</command></term> |
---|
| 564 | <listitem> |
---|
| 565 | <para>Queries and sets the root device, among other things, in a |
---|
| 566 | bootable image</para> |
---|
| 567 | <indexterm zone="ch-system-util-linux rdev"> |
---|
| 568 | <primary sortas="b-rdev">rdev</primary> |
---|
| 569 | </indexterm> |
---|
| 570 | </listitem> |
---|
| 571 | </varlistentry> |
---|
| 572 | |
---|
| 573 | <varlistentry id="readprofile"> |
---|
| 574 | <term><command>readprofile</command></term> |
---|
| 575 | <listitem> |
---|
| 576 | <para>Reads kernel profiling information</para> |
---|
| 577 | <indexterm zone="ch-system-util-linux readprofile"> |
---|
| 578 | <primary sortas="b-readprofile">readprofile</primary> |
---|
| 579 | </indexterm> |
---|
| 580 | </listitem> |
---|
| 581 | </varlistentry> |
---|
| 582 | |
---|
| 583 | <varlistentry id="rename"> |
---|
| 584 | <term><command>rename</command></term> |
---|
| 585 | <listitem> |
---|
| 586 | <para>Renames the given files, replacing a given string with |
---|
| 587 | another</para> |
---|
| 588 | <indexterm zone="ch-system-util-linux rename"> |
---|
| 589 | <primary sortas="b-rename">rename</primary> |
---|
| 590 | </indexterm> |
---|
| 591 | </listitem> |
---|
| 592 | </varlistentry> |
---|
| 593 | |
---|
| 594 | <varlistentry id="renice"> |
---|
| 595 | <term><command>renice</command></term> |
---|
| 596 | <listitem> |
---|
| 597 | <para>Alters the priority of running processes</para> |
---|
| 598 | <indexterm zone="ch-system-util-linux renice"> |
---|
| 599 | <primary sortas="b-renice">renice</primary> |
---|
| 600 | </indexterm> |
---|
| 601 | </listitem> |
---|
| 602 | </varlistentry> |
---|
| 603 | |
---|
| 604 | <varlistentry id="rev"> |
---|
| 605 | <term><command>rev</command></term> |
---|
| 606 | <listitem> |
---|
| 607 | <para>Reverses the lines of a given file</para> |
---|
| 608 | <indexterm zone="ch-system-util-linux rev"> |
---|
| 609 | <primary sortas="b-rev">rev</primary> |
---|
| 610 | </indexterm> |
---|
| 611 | </listitem> |
---|
| 612 | </varlistentry> |
---|
| 613 | |
---|
| 614 | <varlistentry id="rootflags"> |
---|
| 615 | <term><command>rootflags</command></term> |
---|
| 616 | <listitem> |
---|
| 617 | <para>Sets the rootflags in a bootable image</para> |
---|
| 618 | <indexterm zone="ch-system-util-linux rootflags"> |
---|
| 619 | <primary sortas="b-rootflags">rootflags</primary> |
---|
| 620 | </indexterm> |
---|
| 621 | </listitem> |
---|
| 622 | </varlistentry> |
---|
| 623 | |
---|
| 624 | <varlistentry id="script"> |
---|
| 625 | <term><command>script</command></term> |
---|
| 626 | <listitem> |
---|
| 627 | <para>Makes a typescript of a terminal session</para> |
---|
| 628 | <indexterm zone="ch-system-util-linux script"> |
---|
| 629 | <primary sortas="b-script">script</primary> |
---|
| 630 | </indexterm> |
---|
| 631 | </listitem> |
---|
| 632 | </varlistentry> |
---|
| 633 | |
---|
| 634 | <varlistentry id="setfdprm"> |
---|
| 635 | <term><command>setfdprm</command></term> |
---|
| 636 | <listitem> |
---|
| 637 | <para>Sets user-provided floppy disk parameters</para> |
---|
| 638 | <indexterm zone="ch-system-util-linux setfdprm"> |
---|
| 639 | <primary sortas="b-setfdprm">setfdprm</primary> |
---|
| 640 | </indexterm> |
---|
| 641 | </listitem> |
---|
| 642 | </varlistentry> |
---|
| 643 | |
---|
| 644 | <varlistentry id="setsid"> |
---|
| 645 | <term><command>setsid</command></term> |
---|
| 646 | <listitem> |
---|
| 647 | <para>Runs the given program in a new session</para> |
---|
| 648 | <indexterm zone="ch-system-util-linux setsid"> |
---|
| 649 | <primary sortas="b-setsid">setsid</primary> |
---|
| 650 | </indexterm> |
---|
| 651 | </listitem> |
---|
| 652 | </varlistentry> |
---|
| 653 | |
---|
| 654 | <varlistentry id="setterm"> |
---|
| 655 | <term><command>setterm</command></term> |
---|
| 656 | <listitem> |
---|
| 657 | <para>Sets terminal attributes</para> |
---|
| 658 | <indexterm zone="ch-system-util-linux setterm"> |
---|
| 659 | <primary sortas="b-setterm">setterm</primary> |
---|
| 660 | </indexterm> |
---|
| 661 | </listitem> |
---|
| 662 | </varlistentry> |
---|
| 663 | |
---|
| 664 | <varlistentry id="sfdisk"> |
---|
| 665 | <term><command>sfdisk</command></term> |
---|
| 666 | <listitem> |
---|
| 667 | <para>A disk partition table manipulator</para> |
---|
| 668 | <indexterm zone="ch-system-util-linux sfdisk"> |
---|
| 669 | <primary sortas="b-sfdisk">sfdisk</primary> |
---|
| 670 | </indexterm> |
---|
| 671 | </listitem> |
---|
| 672 | </varlistentry> |
---|
| 673 | |
---|
| 674 | <varlistentry id="swapoff"> |
---|
| 675 | <term><command>swapoff</command></term> |
---|
| 676 | <listitem> |
---|
| 677 | <para>Disables devices and files for paging and swapping</para> |
---|
| 678 | <indexterm zone="ch-system-util-linux swapoff"> |
---|
| 679 | <primary sortas="b-swapoff">swapoff</primary> |
---|
| 680 | </indexterm> |
---|
| 681 | </listitem> |
---|
| 682 | </varlistentry> |
---|
| 683 | |
---|
| 684 | <varlistentry id="swapon"> |
---|
| 685 | <term><command>swapon</command></term> |
---|
| 686 | <listitem> |
---|
| 687 | <para>Enables devices and files for paging and swapping and |
---|
| 688 | lists the devices and files currently in use</para> |
---|
| 689 | <indexterm zone="ch-system-util-linux swapon"> |
---|
| 690 | <primary sortas="b-swapon">swapon</primary> |
---|
| 691 | </indexterm> |
---|
| 692 | </listitem> |
---|
| 693 | </varlistentry> |
---|
| 694 | |
---|
| 695 | <varlistentry id="tunelp"> |
---|
| 696 | <term><command>tunelp</command></term> |
---|
| 697 | <listitem> |
---|
| 698 | <para>Tunes the parameters of the line printer</para> |
---|
| 699 | <indexterm zone="ch-system-util-linux tunelp"> |
---|
| 700 | <primary sortas="b-tunelp">tunelp</primary> |
---|
| 701 | </indexterm> |
---|
| 702 | </listitem> |
---|
| 703 | </varlistentry> |
---|
| 704 | |
---|
| 705 | <varlistentry id="ul"> |
---|
| 706 | <term><command>ul</command></term> |
---|
| 707 | <listitem> |
---|
| 708 | <para>A filter for translating underscores into escape sequences |
---|
| 709 | indicating underlining for the terminal in use</para> |
---|
| 710 | <indexterm zone="ch-system-util-linux ul"> |
---|
| 711 | <primary sortas="b-ul">ul</primary> |
---|
| 712 | </indexterm> |
---|
| 713 | </listitem> |
---|
| 714 | </varlistentry> |
---|
| 715 | |
---|
| 716 | <varlistentry id="umount"> |
---|
| 717 | <term><command>umount</command></term> |
---|
| 718 | <listitem> |
---|
| 719 | <para>Disconnects a file system from the system's file tree</para> |
---|
| 720 | <indexterm zone="ch-system-util-linux umount"> |
---|
| 721 | <primary sortas="b-umount">umount</primary> |
---|
| 722 | </indexterm> |
---|
| 723 | </listitem> |
---|
| 724 | </varlistentry> |
---|
| 725 | |
---|
| 726 | <varlistentry id="vidmode"> |
---|
| 727 | <term><command>vidmode</command></term> |
---|
| 728 | <listitem> |
---|
| 729 | <para>Sets the video mode in a bootable image</para> |
---|
| 730 | <indexterm zone="ch-system-util-linux vidmode"> |
---|
| 731 | <primary sortas="b-vidmode">vidmode</primary> |
---|
| 732 | </indexterm> |
---|
| 733 | </listitem> |
---|
| 734 | </varlistentry> |
---|
| 735 | |
---|
| 736 | <varlistentry id="whereis"> |
---|
| 737 | <term><command>whereis</command></term> |
---|
| 738 | <listitem> |
---|
| 739 | <para>Reports the location of the binary, source, and man page |
---|
| 740 | for the given command</para> |
---|
| 741 | <indexterm zone="ch-system-util-linux whereis"> |
---|
| 742 | <primary sortas="b-whereis">whereis</primary> |
---|
| 743 | </indexterm> |
---|
| 744 | </listitem> |
---|
| 745 | </varlistentry> |
---|
| 746 | |
---|
| 747 | <varlistentry id="write"> |
---|
| 748 | <term><command>write</command></term> |
---|
| 749 | <listitem> |
---|
| 750 | <para>Sends a message to the given user <emphasis>if</emphasis> that |
---|
| 751 | user has not disabled receipt of such messages</para> |
---|
| 752 | <indexterm zone="ch-system-util-linux write"> |
---|
| 753 | <primary sortas="b-write">write</primary> |
---|
| 754 | </indexterm> |
---|
| 755 | </listitem> |
---|
| 756 | </varlistentry> |
---|
| 757 | |
---|
| 758 | </variablelist> |
---|
| 759 | |
---|
| 760 | </sect2> |
---|
| 761 | |
---|
| 762 | </sect1> |
---|