[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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[a001133] | 6 | <sect1 id="ch-system-util-linux" xreflabel="Util-linux" role="wrap">
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[673b0d8] | 7 | <title>Util-linux-&util-linux-version;</title>
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| 8 | <?dbhtml filename="util-linux.html"?>
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| 9 |
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| 10 | <indexterm zone="ch-system-util-linux"><primary sortas="a-Util-linux">Util-linux</primary></indexterm>
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| 11 |
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[a001133] | 12 | <sect2 role="package"><title/>
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[673b0d8] | 13 | <para>The Util-linux package contains miscellaneous utility programs. Among
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| 14 | them are utilities for handling file systems, consoles, partitions, and
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| 15 | messages.</para>
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| 16 |
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[a001133] | 17 | <segmentedlist>
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| 18 | <segtitle>&buildtime;</segtitle>
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| 19 | <segtitle>&diskspace;</segtitle>
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| 20 | <seglistitem><seg>0.2 SBU</seg><seg>16 MB</seg></seglistitem>
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| 21 | </segmentedlist>
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[673b0d8] | 22 |
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[a001133] | 23 | <segmentedlist>
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| 24 | <segtitle>Util-linux installation depends on</segtitle>
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| 25 | <seglistitem><seg>Bash, Binutils, Coreutils,
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[69993f4] | 26 | Diffutils, GCC, Gettext, Glibc, Grep, Make, Ncurses, Sed, and Zlib</seg></seglistitem>
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[a001133] | 27 | </segmentedlist>
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| 28 | </sect2>
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[673b0d8] | 29 |
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[a001133] | 30 | <sect2 role="installation">
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[673b0d8] | 31 | <title>FHS compliance notes</title>
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| 32 |
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[ef13657] | 33 | <para>The FHS recommends using the <filename
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| 34 | class="directory">/var/lib/hwclock</filename> directory instead of the
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| 35 | usual <filename class="directory">/etc</filename> directory as the
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| 36 | location for the <filename>adjtime</filename> file. To make the
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| 37 | <command>hwclock</command> program FHS-compliant, run the
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| 38 | following:</para>
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[673b0d8] | 39 |
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[2ec4b60] | 40 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' hwclock/hwclock.c
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[673b0d8] | 41 | mkdir -p /var/lib/hwclock</userinput></screen>
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| 42 |
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| 43 | </sect2>
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| 44 |
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[df8334f] | 45 | <sect2 role="installation">
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[673b0d8] | 46 | <title>Installation of Util-linux</title>
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| 47 |
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[89e45fe] | 48 | <para>GCC-&gcc-version; miscompiles <command>sfdisk</command> if the
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[c675d8c] | 49 | default optimisation level is used. The following command
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| 50 | corrects the problem:</para>
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[89e45fe] | 51 |
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[ed49003] | 52 | <screen><userinput>sed -i -e 's%^include ../MCONFIG%&\n\nCFLAGS:=$(CFLAGS) -fno-unit-at-a-time%' fdisk/Makefile</userinput></screen>
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[89e45fe] | 53 |
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[673b0d8] | 54 | <para>Prepare Util-linux for compilation:</para>
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| 55 |
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| 56 | <screen><userinput>./configure</userinput></screen>
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| 57 |
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| 58 | <para>Compile the package:</para>
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| 59 |
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| 60 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
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| 61 |
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| 62 | <para>The meaning of the make parameters:</para>
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| 63 |
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[df8334f] | 64 | <variablelist>
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| 65 | <varlistentry>
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[8ad7980] | 66 | <term><parameter>HAVE_KILL=yes</parameter></term>
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[df8334f] | 67 | <listitem><para>This prevents the
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[673b0d8] | 68 | <command>kill</command> program (already installed by Procps) from being
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| 69 | built and installed again.</para></listitem>
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[df8334f] | 70 | </varlistentry>
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[673b0d8] | 71 |
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[df8334f] | 72 | <varlistentry>
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[8ad7980] | 73 | <term><parameter>HAVE_SLN=yes</parameter></term>
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[ef13657] | 74 | <listitem><para>This prevents the <command>sln</command> program (a
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| 75 | statically linked version of <command>ln</command> already installed
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| 76 | by Glibc) from being built and installed again.</para></listitem>
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[df8334f] | 77 | </varlistentry>
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| 78 | </variablelist>
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[673b0d8] | 79 |
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[0cb7f8b] | 80 | <para>This package does not come with a test suite.</para>
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| 81 |
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[ef13657] | 82 | <para>Install the package:</para>
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[673b0d8] | 83 |
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| 84 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
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| 85 |
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| 86 | </sect2>
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| 87 |
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[c6cb3aa] | 88 | <sect2 id="contents-utillinux" role="content"><title>Contents of Util-linux</title>
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[673b0d8] | 89 |
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[c6cb3aa] | 90 | <segmentedlist>
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| 91 | <segtitle>Installed programs</segtitle>
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| 92 | <seglistitem><seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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| 93 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, fdisk,
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| 94 | fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, ipcs, isosize, line,
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| 95 | logger, look, losetup, mcookie, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
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| 96 | more, mount, namei, pg, pivot_root, ramsize (link to rdev), raw, rdev, readprofile,
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| 97 | rename, renice, rev, rootflags (link to rdev), script, setfdprm, setsid, setterm,
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[69993f4] | 98 | sfdisk, swapdev, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode (link to rdev),
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| 99 | whereis, and write</seg></seglistitem>
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[c6cb3aa] | 100 | </segmentedlist>
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[673b0d8] | 101 |
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[3ed279f] | 102 | <variablelist><bridgehead renderas="sect3">Short descriptions</bridgehead>
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| 103 | <?dbfo list-presentation="list"?>
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[673b0d8] | 104 |
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[b8a819f] | 105 | <varlistentry id="agetty">
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| 106 | <term><command>agetty</command></term>
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[c6cb3aa] | 107 | <listitem>
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| 108 | <para>opens a tty port, prompts for a login name,
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[8ad7980] | 109 | and then invokes the <command>login</command> program.</para>
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[3ed279f] | 110 | <indexterm zone="ch-system-util-linux agetty"><primary sortas="b-agetty">agetty</primary></indexterm>
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[c6cb3aa] | 111 | </listitem>
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| 112 | </varlistentry>
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[673b0d8] | 113 |
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[b8a819f] | 114 | <varlistentry id="arch">
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| 115 | <term><command>arch</command></term>
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[c6cb3aa] | 116 | <listitem>
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| 117 | <para>reports the machine's architecture.</para>
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[3ed279f] | 118 | <indexterm zone="ch-system-util-linux arch"><primary sortas="b-arch">arch</primary></indexterm>
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[c6cb3aa] | 119 | </listitem>
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| 120 | </varlistentry>
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[673b0d8] | 121 |
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[b8a819f] | 122 | <varlistentry id="blockdev">
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| 123 | <term><command>blockdev</command></term>
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[c6cb3aa] | 124 | <listitem>
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[69993f4] | 125 | <para>allows users to call block device ioctls from the command line.</para>
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[3ed279f] | 126 | <indexterm zone="ch-system-util-linux blockdev"><primary sortas="b-blockdev">blockdev</primary></indexterm>
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[c6cb3aa] | 127 | </listitem>
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| 128 | </varlistentry>
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[673b0d8] | 129 |
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[b8a819f] | 130 | <varlistentry id="cal">
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| 131 | <term><command>cal</command></term>
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[c6cb3aa] | 132 | <listitem>
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| 133 | <para>displays a simple calendar.</para>
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[3ed279f] | 134 | <indexterm zone="ch-system-util-linux cal"><primary sortas="b-cal">cal</primary></indexterm>
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[c6cb3aa] | 135 | </listitem>
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| 136 | </varlistentry>
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[673b0d8] | 137 |
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[b8a819f] | 138 | <varlistentry id="cfdisk">
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| 139 | <term><command>cfdisk</command></term>
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[c6cb3aa] | 140 | <listitem>
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[69993f4] | 141 | <para>manipulates the partition table of the given device.</para>
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[3ed279f] | 142 | <indexterm zone="ch-system-util-linux cfdisk"><primary sortas="b-cfdisk">cfdisk</primary></indexterm>
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[c6cb3aa] | 143 | </listitem>
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| 144 | </varlistentry>
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[673b0d8] | 145 |
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[b8a819f] | 146 | <varlistentry id="chkdupexe">
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| 147 | <term><command>chkdupexe</command></term>
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[c6cb3aa] | 148 | <listitem>
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| 149 | <para>finds duplicate executables.</para>
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[3ed279f] | 150 | <indexterm zone="ch-system-util-linux chkdupexe"><primary sortas="b-chkdupexe">chkdupexe</primary></indexterm>
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[c6cb3aa] | 151 | </listitem>
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| 152 | </varlistentry>
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[673b0d8] | 153 |
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[b8a819f] | 154 | <varlistentry id="col">
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| 155 | <term><command>col</command></term>
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[c6cb3aa] | 156 | <listitem>
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| 157 | <para>filters out reverse line feeds.</para>
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[3ed279f] | 158 | <indexterm zone="ch-system-util-linux col"><primary sortas="b-col">col</primary></indexterm>
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[c6cb3aa] | 159 | </listitem>
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| 160 | </varlistentry>
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[673b0d8] | 161 |
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[b8a819f] | 162 | <varlistentry id="colcrt">
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| 163 | <term><command>colcrt</command></term>
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[c6cb3aa] | 164 | <listitem>
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[69993f4] | 165 | <para>filters <command>nroff</command> output for terminals
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| 166 | that lack some capabilities, such as overstriking and half-lines.</para>
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[3ed279f] | 167 | <indexterm zone="ch-system-util-linux colcrt"><primary sortas="b-colcrt">colcrt</primary></indexterm>
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[c6cb3aa] | 168 | </listitem>
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| 169 | </varlistentry>
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[673b0d8] | 170 |
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[b8a819f] | 171 | <varlistentry id="colrm">
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| 172 | <term><command>colrm</command></term>
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[c6cb3aa] | 173 | <listitem>
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| 174 | <para>filters out the given columns.</para>
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[3ed279f] | 175 | <indexterm zone="ch-system-util-linux colrm"><primary sortas="b-colrm">colrm</primary></indexterm>
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[c6cb3aa] | 176 | </listitem>
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| 177 | </varlistentry>
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[673b0d8] | 178 |
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[b8a819f] | 179 | <varlistentry id="column">
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| 180 | <term><command>column</command></term>
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[c6cb3aa] | 181 | <listitem>
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| 182 | <para>formats a given file into multiple columns.</para>
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[3ed279f] | 183 | <indexterm zone="ch-system-util-linux column"><primary sortas="b-column">column</primary></indexterm>
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[c6cb3aa] | 184 | </listitem>
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| 185 | </varlistentry>
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[673b0d8] | 186 |
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[b8a819f] | 187 | <varlistentry id="ctrlaltdel">
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| 188 | <term><command>ctrlaltdel</command></term>
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[c6cb3aa] | 189 | <listitem>
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| 190 | <para>sets the function of the Ctrl+Alt+Del key combination to a hard or a
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| 191 | soft reset.</para>
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[3ed279f] | 192 | <indexterm zone="ch-system-util-linux ctrlaltdel"><primary sortas="b-ctrlaltdel">ctrlaltdel</primary></indexterm>
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[c6cb3aa] | 193 | </listitem>
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| 194 | </varlistentry>
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| 195 |
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[b8a819f] | 196 | <varlistentry id="cytune">
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| 197 | <term><command>cytune</command></term>
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[c6cb3aa] | 198 | <listitem>
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[69993f4] | 199 | <para>tunes the parameters of the serial line drivers for
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[ef13657] | 200 | Cyclades cards.</para>
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[3ed279f] | 201 | <indexterm zone="ch-system-util-linux cytune"><primary sortas="b-cytune">cytune</primary></indexterm>
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[c6cb3aa] | 202 | </listitem>
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| 203 | </varlistentry>
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[673b0d8] | 204 |
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[b8a819f] | 205 | <varlistentry id="ddate">
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| 206 | <term><command>ddate</command></term>
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[c6cb3aa] | 207 | <listitem>
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[69993f4] | 208 | <para>gives the Discordian date or converts the given Gregorian date
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[ef13657] | 209 | to a Discordian one.</para>
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[3ed279f] | 210 | <indexterm zone="ch-system-util-linux ddate"><primary sortas="b-ddate">ddate</primary></indexterm>
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[c6cb3aa] | 211 | </listitem>
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| 212 | </varlistentry>
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[673b0d8] | 213 |
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[b8a819f] | 214 | <varlistentry id="dmesg">
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| 215 | <term><command>dmesg</command></term>
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[c6cb3aa] | 216 | <listitem>
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| 217 | <para>dumps the kernel boot messages.</para>
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[3ed279f] | 218 | <indexterm zone="ch-system-util-linux dmesg"><primary sortas="b-dmesg">dmesg</primary></indexterm>
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[c6cb3aa] | 219 | </listitem>
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| 220 | </varlistentry>
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[673b0d8] | 221 |
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[b8a819f] | 222 | <varlistentry id="elvtune">
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| 223 | <term><command>elvtune</command></term>
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[c6cb3aa] | 224 | <listitem>
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[69993f4] | 225 | <para>tunes the performance and interactivity of a block
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[ef13657] | 226 | device.</para>
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[3ed279f] | 227 | <indexterm zone="ch-system-util-linux elvtune"><primary sortas="b-elvtune">elvtune</primary></indexterm>
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[c6cb3aa] | 228 | </listitem>
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| 229 | </varlistentry>
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[673b0d8] | 230 |
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[b8a819f] | 231 | <varlistentry id="fdformat">
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| 232 | <term><command>fdformat</command></term>
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[c6cb3aa] | 233 | <listitem>
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| 234 | <para>low-level formats a floppy disk.</para>
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[3ed279f] | 235 | <indexterm zone="ch-system-util-linux fdformat"><primary sortas="b-fdformat">fdformat</primary></indexterm>
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[c6cb3aa] | 236 | </listitem>
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| 237 | </varlistentry>
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[673b0d8] | 238 |
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[b8a819f] | 239 | <varlistentry id="fdisk">
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| 240 | <term><command>fdisk</command></term>
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[c6cb3aa] | 241 | <listitem>
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[69993f4] | 242 | <para>manipulates the partition table of the given device.</para>
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[3ed279f] | 243 | <indexterm zone="ch-system-util-linux fdisk"><primary sortas="b-fdisk">fdisk</primary></indexterm>
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[c6cb3aa] | 244 | </listitem>
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| 245 | </varlistentry>
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[673b0d8] | 246 |
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[b8a819f] | 247 | <varlistentry id="fsck.cramfs">
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| 248 | <term><command>fsck.cramfs</command></term>
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[c6cb3aa] | 249 | <listitem>
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[ef13657] | 250 | <para>performs a consistency check on the Cramfs file system on the
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| 251 | given device.</para>
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[3ed279f] | 252 | <indexterm zone="ch-system-util-linux fsck.cramfs"><primary sortas="b-fsck.cramfs">fsck.cramfs</primary></indexterm>
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[c6cb3aa] | 253 | </listitem>
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| 254 | </varlistentry>
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[673b0d8] | 255 |
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[b8a819f] | 256 | <varlistentry id="fsck.minix">
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| 257 | <term><command>fsck.minix</command></term>
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[c6cb3aa] | 258 | <listitem>
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[ef13657] | 259 | <para>performs a consistency check on the Minix file system on the
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| 260 | given device.</para>
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[3ed279f] | 261 | <indexterm zone="ch-system-util-linux fsck.minix"><primary sortas="b-fsck.minix">fsck.minix</primary></indexterm>
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[c6cb3aa] | 262 | </listitem>
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| 263 | </varlistentry>
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[673b0d8] | 264 |
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[b8a819f] | 265 | <varlistentry id="getopt">
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| 266 | <term><command>getopt</command></term>
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[c6cb3aa] | 267 | <listitem>
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| 268 | <para>parses options in the given command line.</para>
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[3ed279f] | 269 | <indexterm zone="ch-system-util-linux getopt"><primary sortas="b-getopt">getopt</primary></indexterm>
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[c6cb3aa] | 270 | </listitem>
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| 271 | </varlistentry>
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[673b0d8] | 272 |
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[b8a819f] | 273 | <varlistentry id="hexdump">
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| 274 | <term><command>hexdump</command></term>
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[c6cb3aa] | 275 | <listitem>
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[69993f4] | 276 | <para>dumps the given file in hexadecimal or in another given format.</para>
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[3ed279f] | 277 | <indexterm zone="ch-system-util-linux hexdump"><primary sortas="b-hexdump">hexdump</primary></indexterm>
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[c6cb3aa] | 278 | </listitem>
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| 279 | </varlistentry>
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[673b0d8] | 280 |
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[b8a819f] | 281 | <varlistentry id="hwclock">
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| 282 | <term><command>hwclock</command></term>
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[c6cb3aa] | 283 | <listitem>
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[69993f4] | 284 | <para>reads or sets the system's hardware clock, also called
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[ef13657] | 285 | the Real-Time Clock (RTC)) or Basic Input-Output System (BIOS)
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| 286 | clock.</para>
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[3ed279f] | 287 | <indexterm zone="ch-system-util-linux hwclock"><primary sortas="b-hwclock">hwclock</primary></indexterm>
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[c6cb3aa] | 288 | </listitem>
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| 289 | </varlistentry>
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| 290 |
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[b8a819f] | 291 | <varlistentry id="ipcrm">
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| 292 | <term><command>ipcrm</command></term>
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[c6cb3aa] | 293 | <listitem>
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[ef13657] | 294 | <para>removes the given Inter-Process Communication (IPC) resource.</para>
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[3ed279f] | 295 | <indexterm zone="ch-system-util-linux ipcrm"><primary sortas="b-ipcrm">ipcrm</primary></indexterm>
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[c6cb3aa] | 296 | </listitem>
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| 297 | </varlistentry>
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[673b0d8] | 298 |
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[b8a819f] | 299 | <varlistentry id="ipcs">
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| 300 | <term><command>ipcs</command></term>
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[c6cb3aa] | 301 | <listitem>
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| 302 | <para>provides IPC status information.</para>
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[3ed279f] | 303 | <indexterm zone="ch-system-util-linux ipcs"><primary sortas="b-ipcs">ipcs</primary></indexterm>
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[c6cb3aa] | 304 | </listitem>
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| 305 | </varlistentry>
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[673b0d8] | 306 |
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[b8a819f] | 307 | <varlistentry id="isosize">
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| 308 | <term><command>isosize</command></term>
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[c6cb3aa] | 309 | <listitem>
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| 310 | <para>reports the size of an iso9660 file system.</para>
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[3ed279f] | 311 | <indexterm zone="ch-system-util-linux isosize"><primary sortas="b-isosize">isosize</primary></indexterm>
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[c6cb3aa] | 312 | </listitem>
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| 313 | </varlistentry>
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[673b0d8] | 314 |
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[b8a819f] | 315 | <varlistentry id="line">
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| 316 | <term><command>line</command></term>
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[c6cb3aa] | 317 | <listitem>
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| 318 | <para>copies a single line.</para>
|
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[3ed279f] | 319 | <indexterm zone="ch-system-util-linux line"><primary sortas="b-line">line</primary></indexterm>
|
---|
[c6cb3aa] | 320 | </listitem>
|
---|
| 321 | </varlistentry>
|
---|
[673b0d8] | 322 |
|
---|
[b8a819f] | 323 | <varlistentry id="logger">
|
---|
| 324 | <term><command>logger</command></term>
|
---|
[c6cb3aa] | 325 | <listitem>
|
---|
| 326 | <para>enters the given message into the system log.</para>
|
---|
[3ed279f] | 327 | <indexterm zone="ch-system-util-linux logger"><primary sortas="b-logger">logger</primary></indexterm>
|
---|
[c6cb3aa] | 328 | </listitem>
|
---|
| 329 | </varlistentry>
|
---|
[673b0d8] | 330 |
|
---|
[b8a819f] | 331 | <varlistentry id="look">
|
---|
| 332 | <term><command>look</command></term>
|
---|
[c6cb3aa] | 333 | <listitem>
|
---|
| 334 | <para>displays lines that begin with the given string.</para>
|
---|
[3ed279f] | 335 | <indexterm zone="ch-system-util-linux look"><primary sortas="b-look">look</primary></indexterm>
|
---|
[c6cb3aa] | 336 | </listitem>
|
---|
| 337 | </varlistentry>
|
---|
[673b0d8] | 338 |
|
---|
[b8a819f] | 339 | <varlistentry id="losetup">
|
---|
| 340 | <term><command>losetup</command></term>
|
---|
[c6cb3aa] | 341 | <listitem>
|
---|
[69993f4] | 342 | <para>sets up and controls loop devices.</para>
|
---|
[3ed279f] | 343 | <indexterm zone="ch-system-util-linux losetup"><primary sortas="b-losetup">losetup</primary></indexterm>
|
---|
[c6cb3aa] | 344 | </listitem>
|
---|
| 345 | </varlistentry>
|
---|
[673b0d8] | 346 |
|
---|
[b8a819f] | 347 | <varlistentry id="mcookie">
|
---|
| 348 | <term><command>mcookie</command></term>
|
---|
[c6cb3aa] | 349 | <listitem>
|
---|
[ef13657] | 350 | <para>generates magic cookies (128-bit random hexadecimal numbers) for
|
---|
| 351 | <command>xauth</command>.</para>
|
---|
[3ed279f] | 352 | <indexterm zone="ch-system-util-linux mcookie"><primary sortas="b-mcookie">mcookie</primary></indexterm>
|
---|
[c6cb3aa] | 353 | </listitem>
|
---|
| 354 | </varlistentry>
|
---|
| 355 |
|
---|
[b8a819f] | 356 | <varlistentry id="mkfs">
|
---|
| 357 | <term><command>mkfs</command></term>
|
---|
[c6cb3aa] | 358 | <listitem>
|
---|
[69993f4] | 359 | <para>builds a file system on a device (usually a hard disk
|
---|
[ef13657] | 360 | partition).</para>
|
---|
[3ed279f] | 361 | <indexterm zone="ch-system-util-linux mkfs"><primary sortas="b-mkfs">mkfs</primary></indexterm>
|
---|
[c6cb3aa] | 362 | </listitem>
|
---|
| 363 | </varlistentry>
|
---|
[673b0d8] | 364 |
|
---|
[b8a819f] | 365 | <varlistentry id="mkfs.bfs">
|
---|
| 366 | <term><command>mkfs.bfs</command></term>
|
---|
[c6cb3aa] | 367 | <listitem>
|
---|
[ef13657] | 368 | <para>creates an Santa Cruz Operations (SCO) bfs file system.</para>
|
---|
[3ed279f] | 369 | <indexterm zone="ch-system-util-linux mkfs.bfs"><primary sortas="b-mkfs.bfs">mkfs.bfs</primary></indexterm>
|
---|
[c6cb3aa] | 370 | </listitem>
|
---|
| 371 | </varlistentry>
|
---|
[673b0d8] | 372 |
|
---|
[b8a819f] | 373 | <varlistentry id="mkfs.cramfs">
|
---|
| 374 | <term><command>mkfs.cramfs</command></term>
|
---|
[c6cb3aa] | 375 | <listitem>
|
---|
| 376 | <para>creates a cramfs file system.</para>
|
---|
[3ed279f] | 377 | <indexterm zone="ch-system-util-linux mkfs.cramfs"><primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary></indexterm>
|
---|
[c6cb3aa] | 378 | </listitem>
|
---|
| 379 | </varlistentry>
|
---|
[673b0d8] | 380 |
|
---|
[b8a819f] | 381 | <varlistentry id="mkfs.minix">
|
---|
| 382 | <term><command>mkfs.minix</command></term>
|
---|
[c6cb3aa] | 383 | <listitem>
|
---|
| 384 | <para>creates a Minix file system.</para>
|
---|
[3ed279f] | 385 | <indexterm zone="ch-system-util-linux mkfs.minix"><primary sortas="b-mkfs.minix">mkfs.minix</primary></indexterm>
|
---|
[c6cb3aa] | 386 | </listitem>
|
---|
| 387 | </varlistentry>
|
---|
[673b0d8] | 388 |
|
---|
[b8a819f] | 389 | <varlistentry id="mkswap">
|
---|
| 390 | <term><command>mkswap</command></term>
|
---|
[c6cb3aa] | 391 | <listitem>
|
---|
| 392 | <para>initializes the given device or file to be used as a swap area.</para>
|
---|
[3ed279f] | 393 | <indexterm zone="ch-system-util-linux mkswap"><primary sortas="b-mkswap">mkswap</primary></indexterm>
|
---|
[c6cb3aa] | 394 | </listitem>
|
---|
| 395 | </varlistentry>
|
---|
[673b0d8] | 396 |
|
---|
[b8a819f] | 397 | <varlistentry id="more">
|
---|
| 398 | <term><command>more</command></term>
|
---|
[c6cb3aa] | 399 | <listitem>
|
---|
[69993f4] | 400 | <para>a filter for paging through text one screen at a time.</para>
|
---|
[3ed279f] | 401 | <indexterm zone="ch-system-util-linux more"><primary sortas="b-more">more</primary></indexterm>
|
---|
[c6cb3aa] | 402 | </listitem>
|
---|
| 403 | </varlistentry>
|
---|
[673b0d8] | 404 |
|
---|
[b8a819f] | 405 | <varlistentry id="mount">
|
---|
| 406 | <term><command>mount</command></term>
|
---|
[c6cb3aa] | 407 | <listitem>
|
---|
[ef13657] | 408 | <para>attaches the file system on the given device to a specified
|
---|
| 409 | directory in the file-system tree.</para>
|
---|
[3ed279f] | 410 | <indexterm zone="ch-system-util-linux mount"><primary sortas="b-mount">mount</primary></indexterm>
|
---|
[c6cb3aa] | 411 | </listitem>
|
---|
| 412 | </varlistentry>
|
---|
| 413 |
|
---|
[b8a819f] | 414 | <varlistentry id="namei">
|
---|
| 415 | <term><command>namei</command></term>
|
---|
[c6cb3aa] | 416 | <listitem>
|
---|
| 417 | <para>shows the symbolic links in the given pathnames.</para>
|
---|
[3ed279f] | 418 | <indexterm zone="ch-system-util-linux namei"><primary sortas="b-namei">namei</primary></indexterm>
|
---|
[c6cb3aa] | 419 | </listitem>
|
---|
| 420 | </varlistentry>
|
---|
[673b0d8] | 421 |
|
---|
[b8a819f] | 422 | <varlistentry id="pg">
|
---|
| 423 | <term><command>pg</command></term>
|
---|
[c6cb3aa] | 424 | <listitem>
|
---|
| 425 | <para>displays a text file one screen full at a time.</para>
|
---|
[3ed279f] | 426 | <indexterm zone="ch-system-util-linux pg"><primary sortas="b-pg">pg</primary></indexterm>
|
---|
[c6cb3aa] | 427 | </listitem>
|
---|
| 428 | </varlistentry>
|
---|
[673b0d8] | 429 |
|
---|
[b8a819f] | 430 | <varlistentry id="pivot_root">
|
---|
| 431 | <term><command>pivot_root</command></term>
|
---|
[c6cb3aa] | 432 | <listitem>
|
---|
[ef13657] | 433 | <para>makes the given file system the new root file system of the
|
---|
| 434 | current process.</para>
|
---|
[3ed279f] | 435 | <indexterm zone="ch-system-util-linux pivot_root"><primary sortas="b-pivot_root">pivot_root</primary></indexterm>
|
---|
[c6cb3aa] | 436 | </listitem>
|
---|
| 437 | </varlistentry>
|
---|
[673b0d8] | 438 |
|
---|
[b8a819f] | 439 | <varlistentry id="ramsize">
|
---|
| 440 | <term><command>ramsize</command></term>
|
---|
[c6cb3aa] | 441 | <listitem>
|
---|
[69993f4] | 442 | <para>sets the size of the RAM disk in a bootable image.</para>
|
---|
[3ed279f] | 443 | <indexterm zone="ch-system-util-linux ramsize"><primary sortas="b-ramsize">ramsize</primary></indexterm>
|
---|
[c6cb3aa] | 444 | </listitem>
|
---|
| 445 | </varlistentry>
|
---|
[673b0d8] | 446 |
|
---|
[b8a819f] | 447 | <varlistentry id="rdev">
|
---|
| 448 | <term><command>rdev</command></term>
|
---|
[c6cb3aa] | 449 | <listitem>
|
---|
[69993f4] | 450 | <para>queries and sets the root device, among other things, in a
|
---|
[ef13657] | 451 | bootable image.</para>
|
---|
[3ed279f] | 452 | <indexterm zone="ch-system-util-linux rdev"><primary sortas="b-rdev">rdev</primary></indexterm>
|
---|
[c6cb3aa] | 453 | </listitem>
|
---|
| 454 | </varlistentry>
|
---|
[673b0d8] | 455 |
|
---|
[b8a819f] | 456 | <varlistentry id="readprofile">
|
---|
| 457 | <term><command>readprofile</command></term>
|
---|
[c6cb3aa] | 458 | <listitem>
|
---|
| 459 | <para>reads kernel profiling information.</para>
|
---|
[3ed279f] | 460 | <indexterm zone="ch-system-util-linux readprofile"><primary sortas="b-readprofile">readprofile</primary></indexterm>
|
---|
[c6cb3aa] | 461 | </listitem>
|
---|
| 462 | </varlistentry>
|
---|
[673b0d8] | 463 |
|
---|
[b8a819f] | 464 | <varlistentry id="rename">
|
---|
| 465 | <term><command>rename</command></term>
|
---|
[c6cb3aa] | 466 | <listitem>
|
---|
| 467 | <para>renames the given files, replacing a given string with another.</para>
|
---|
[3ed279f] | 468 | <indexterm zone="ch-system-util-linux rename"><primary sortas="b-rename">rename</primary></indexterm>
|
---|
[c6cb3aa] | 469 | </listitem>
|
---|
| 470 | </varlistentry>
|
---|
[673b0d8] | 471 |
|
---|
[b8a819f] | 472 | <varlistentry id="renice">
|
---|
| 473 | <term><command>renice</command></term>
|
---|
[c6cb3aa] | 474 | <listitem>
|
---|
[69993f4] | 475 | <para>alters the priority of running processes.</para>
|
---|
[3ed279f] | 476 | <indexterm zone="ch-system-util-linux renice"><primary sortas="b-renice">renice</primary></indexterm>
|
---|
[c6cb3aa] | 477 | </listitem>
|
---|
| 478 | </varlistentry>
|
---|
[673b0d8] | 479 |
|
---|
[b8a819f] | 480 | <varlistentry id="rev">
|
---|
| 481 | <term><command>rev</command></term>
|
---|
[c6cb3aa] | 482 | <listitem>
|
---|
| 483 | <para>reverses the lines of a given file.</para>
|
---|
[3ed279f] | 484 | <indexterm zone="ch-system-util-linux rev"><primary sortas="b-rev">rev</primary></indexterm>
|
---|
[c6cb3aa] | 485 | </listitem>
|
---|
| 486 | </varlistentry>
|
---|
[673b0d8] | 487 |
|
---|
[b8a819f] | 488 | <varlistentry id="rootflags">
|
---|
| 489 | <term><command>rootflags</command></term>
|
---|
[c6cb3aa] | 490 | <listitem>
|
---|
[69993f4] | 491 | <para>sets the rootflags in a bootable image.</para>
|
---|
[3ed279f] | 492 | <indexterm zone="ch-system-util-linux rootflags"><primary sortas="b-rootflags">rootflags</primary></indexterm>
|
---|
[c6cb3aa] | 493 | </listitem>
|
---|
| 494 | </varlistentry>
|
---|
[673b0d8] | 495 |
|
---|
[b8a819f] | 496 | <varlistentry id="script">
|
---|
| 497 | <term><command>script</command></term>
|
---|
[c6cb3aa] | 498 | <listitem>
|
---|
[ef13657] | 499 | <para>makes a typescript of a terminal session (everything printed to
|
---|
[c6cb3aa] | 500 | the terminal.</para>
|
---|
[3ed279f] | 501 | <indexterm zone="ch-system-util-linux script"><primary sortas="b-script">script</primary></indexterm>
|
---|
[c6cb3aa] | 502 | </listitem>
|
---|
| 503 | </varlistentry>
|
---|
| 504 |
|
---|
[b8a819f] | 505 | <varlistentry id="setfdprm">
|
---|
| 506 | <term><command>setfdprm</command></term>
|
---|
[c6cb3aa] | 507 | <listitem>
|
---|
| 508 | <para>sets user-provided floppy disk parameters.</para>
|
---|
[3ed279f] | 509 | <indexterm zone="ch-system-util-linux setfdprm"><primary sortas="b-setfdprm">setfdprm</primary></indexterm>
|
---|
[c6cb3aa] | 510 | </listitem>
|
---|
| 511 | </varlistentry>
|
---|
[673b0d8] | 512 |
|
---|
[b8a819f] | 513 | <varlistentry id="setsid">
|
---|
| 514 | <term><command>setsid</command></term>
|
---|
[c6cb3aa] | 515 | <listitem>
|
---|
| 516 | <para>runs the given program in a new session.</para>
|
---|
[3ed279f] | 517 | <indexterm zone="ch-system-util-linux setsid"><primary sortas="b-setsid">setsid</primary></indexterm>
|
---|
[c6cb3aa] | 518 | </listitem>
|
---|
| 519 | </varlistentry>
|
---|
[673b0d8] | 520 |
|
---|
[b8a819f] | 521 | <varlistentry id="setterm">
|
---|
| 522 | <term><command>setterm</command></term>
|
---|
[c6cb3aa] | 523 | <listitem>
|
---|
[69993f4] | 524 | <para>sets terminal attributes.</para>
|
---|
[3ed279f] | 525 | <indexterm zone="ch-system-util-linux setterm"><primary sortas="b-setterm">setterm</primary></indexterm>
|
---|
[c6cb3aa] | 526 | </listitem>
|
---|
| 527 | </varlistentry>
|
---|
[673b0d8] | 528 |
|
---|
[b8a819f] | 529 | <varlistentry id="sfdisk">
|
---|
| 530 | <term><command>sfdisk</command></term>
|
---|
[c6cb3aa] | 531 | <listitem>
|
---|
[69993f4] | 532 | <para>a disk partition table manipulator.</para>
|
---|
[3ed279f] | 533 | <indexterm zone="ch-system-util-linux sfdisk"><primary sortas="b-sfdisk">sfdisk</primary></indexterm>
|
---|
[c6cb3aa] | 534 | </listitem>
|
---|
| 535 | </varlistentry>
|
---|
[673b0d8] | 536 |
|
---|
[b8a819f] | 537 | <varlistentry id="swapdev">
|
---|
| 538 | <term><command>swapdev</command></term>
|
---|
[c6cb3aa] | 539 | <listitem>
|
---|
[69993f4] | 540 | <para>sets the swap device in a bootable image.</para>
|
---|
[3ed279f] | 541 | <indexterm zone="ch-system-util-linux swapdev"><primary sortas="b-swapdev">swapdev</primary></indexterm>
|
---|
[c6cb3aa] | 542 | </listitem>
|
---|
| 543 | </varlistentry>
|
---|
[673b0d8] | 544 |
|
---|
[b8a819f] | 545 | <varlistentry id="swapoff">
|
---|
| 546 | <term><command>swapoff</command></term>
|
---|
[c6cb3aa] | 547 | <listitem>
|
---|
| 548 | <para>disables devices and files for paging and swapping.</para>
|
---|
[3ed279f] | 549 | <indexterm zone="ch-system-util-linux swapoff"><primary sortas="b-swapoff">swapoff</primary></indexterm>
|
---|
[c6cb3aa] | 550 | </listitem>
|
---|
| 551 | </varlistentry>
|
---|
[673b0d8] | 552 |
|
---|
[b8a819f] | 553 | <varlistentry id="swapon">
|
---|
| 554 | <term><command>swapon</command></term>
|
---|
[c6cb3aa] | 555 | <listitem>
|
---|
| 556 | <para>enables devices and files for paging and swapping.</para>
|
---|
[3ed279f] | 557 | <indexterm zone="ch-system-util-linux swapon"><primary sortas="b-swapon">swapon</primary></indexterm>
|
---|
[c6cb3aa] | 558 | </listitem>
|
---|
| 559 | </varlistentry>
|
---|
[673b0d8] | 560 |
|
---|
[b8a819f] | 561 | <varlistentry id="tunelp">
|
---|
| 562 | <term><command>tunelp</command></term>
|
---|
[c6cb3aa] | 563 | <listitem>
|
---|
[69993f4] | 564 | <para>tunes the parameters of the line printer.</para>
|
---|
[3ed279f] | 565 | <indexterm zone="ch-system-util-linux tunelp"><primary sortas="b-tunelp">tunelp</primary></indexterm>
|
---|
[c6cb3aa] | 566 | </listitem>
|
---|
| 567 | </varlistentry>
|
---|
[673b0d8] | 568 |
|
---|
[b8a819f] | 569 | <varlistentry id="ul">
|
---|
| 570 | <term><command>ul</command></term>
|
---|
[c6cb3aa] | 571 | <listitem>
|
---|
[69993f4] | 572 | <para>a filter for translating underscores into
|
---|
[673b0d8] | 573 | escape sequences indicating underlining for the terminal in use.</para>
|
---|
[3ed279f] | 574 | <indexterm zone="ch-system-util-linux ul"><primary sortas="b-ul">ul</primary></indexterm>
|
---|
[c6cb3aa] | 575 | </listitem>
|
---|
| 576 | </varlistentry>
|
---|
[673b0d8] | 577 |
|
---|
[b8a819f] | 578 | <varlistentry id="umount">
|
---|
| 579 | <term><command>umount</command></term>
|
---|
[c6cb3aa] | 580 | <listitem>
|
---|
| 581 | <para>disconnects a file system from the system's file tree.</para>
|
---|
[3ed279f] | 582 | <indexterm zone="ch-system-util-linux umount"><primary sortas="b-umount">umount</primary></indexterm>
|
---|
[c6cb3aa] | 583 | </listitem>
|
---|
| 584 | </varlistentry>
|
---|
[673b0d8] | 585 |
|
---|
[b8a819f] | 586 | <varlistentry id="vidmode">
|
---|
| 587 | <term><command>vidmode</command></term>
|
---|
[c6cb3aa] | 588 | <listitem>
|
---|
[69993f4] | 589 | <para>sets the video mode in a bootable image.</para>
|
---|
[3ed279f] | 590 | <indexterm zone="ch-system-util-linux vidmode"><primary sortas="b-vidmode">vidmode</primary></indexterm>
|
---|
[c6cb3aa] | 591 | </listitem>
|
---|
| 592 | </varlistentry>
|
---|
[673b0d8] | 593 |
|
---|
[b8a819f] | 594 | <varlistentry id="whereis">
|
---|
| 595 | <term><command>whereis</command></term>
|
---|
[c6cb3aa] | 596 | <listitem>
|
---|
[ef13657] | 597 | <para>reports the location of binary, the source, and the manual page
|
---|
| 598 | for the given command.</para>
|
---|
[3ed279f] | 599 | <indexterm zone="ch-system-util-linux whereis"><primary sortas="b-whereis">whereis</primary></indexterm>
|
---|
[c6cb3aa] | 600 | </listitem>
|
---|
| 601 | </varlistentry>
|
---|
[673b0d8] | 602 |
|
---|
[b8a819f] | 603 | <varlistentry id="write">
|
---|
| 604 | <term><command>write</command></term>
|
---|
[c6cb3aa] | 605 | <listitem>
|
---|
[69993f4] | 606 | <para>sends a message to the given user
|
---|
[ef13657] | 607 | <emphasis>if</emphasis> that user has not disabled receipt of such messages.</para>
|
---|
[3ed279f] | 608 | <indexterm zone="ch-system-util-linux write"><primary sortas="b-write">write</primary></indexterm>
|
---|
[c6cb3aa] | 609 | </listitem>
|
---|
| 610 | </varlistentry>
|
---|
| 611 | </variablelist>
|
---|
[673b0d8] | 612 |
|
---|
| 613 | </sect2>
|
---|
| 614 |
|
---|
| 615 | </sect1>
|
---|
[ef13657] | 616 |
|
---|