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