[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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[b457a1d] | 46 | <para>Util-Linux has a coding problem that causes mis-compilation of the sfdisk
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| 47 | program. This patch fixes the problem:</para>
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| 48 |
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[673b0d8] | 49 | <para>Prepare Util-linux for compilation:</para>
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| 50 |
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| 51 | <screen><userinput>./configure</userinput></screen>
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| 52 |
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| 53 | <para>Compile the package:</para>
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| 54 |
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| 55 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
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| 56 |
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| 57 | <para>The meaning of the make parameters:</para>
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| 58 |
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[df8334f] | 59 | <variablelist>
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| 60 | <varlistentry>
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[8ad7980] | 61 | <term><parameter>HAVE_KILL=yes</parameter></term>
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[df8334f] | 62 | <listitem><para>This prevents the
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[673b0d8] | 63 | <command>kill</command> program (already installed by Procps) from being
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| 64 | built and installed again.</para></listitem>
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[df8334f] | 65 | </varlistentry>
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[673b0d8] | 66 |
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[df8334f] | 67 | <varlistentry>
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[8ad7980] | 68 | <term><parameter>HAVE_SLN=yes</parameter></term>
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[df8334f] | 69 | <listitem><para>This prevents the
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[673b0d8] | 70 | <command>sln</command> program (a statically linked
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| 71 | <command>ln</command> already installed by Glibc) from being built and
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| 72 | installed again.</para></listitem>
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[df8334f] | 73 | </varlistentry>
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| 74 | </variablelist>
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[673b0d8] | 75 |
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| 76 | <para>Now install the package:</para>
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| 77 |
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| 78 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
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| 79 |
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| 80 | </sect2>
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| 81 |
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| 82 |
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[c6cb3aa] | 83 | <sect2 id="contents-utillinux" role="content"><title>Contents of Util-linux</title>
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[673b0d8] | 84 |
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[c6cb3aa] | 85 | <segmentedlist>
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| 86 | <segtitle>Installed programs</segtitle>
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| 87 | <seglistitem><seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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| 88 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, fdisk,
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| 89 | fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, ipcs, isosize, line,
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| 90 | logger, look, losetup, mcookie, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
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| 91 | more, mount, namei, pg, pivot_root, ramsize (link to rdev), raw, rdev, readprofile,
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| 92 | rename, renice, rev, rootflags (link to rdev), script, setfdprm, setsid, setterm,
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| 93 | sfdisk, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode (link to rdev),
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| 94 | whereis and write</seg></seglistitem>
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| 95 | </segmentedlist>
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[673b0d8] | 96 |
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[c6cb3aa] | 97 | <variablelist><title>Short descriptions</title>
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[673b0d8] | 98 |
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[b8a819f] | 99 | <varlistentry id="agetty">
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| 100 | <term><command>agetty</command></term>
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[c6cb3aa] | 101 | <listitem>
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[673b0d8] | 102 | <indexterm zone="ch-system-util-linux agetty"><primary sortas="b-agetty">agetty</primary></indexterm>
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[c6cb3aa] | 103 | <para>opens a tty port, prompts for a login name,
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[8ad7980] | 104 | and then invokes the <command>login</command> program.</para>
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[c6cb3aa] | 105 | </listitem>
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| 106 | </varlistentry>
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[673b0d8] | 107 |
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[b8a819f] | 108 | <varlistentry id="arch">
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| 109 | <term><command>arch</command></term>
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[c6cb3aa] | 110 | <listitem>
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[673b0d8] | 111 | <indexterm zone="ch-system-util-linux arch"><primary sortas="b-arch">arch</primary></indexterm>
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[c6cb3aa] | 112 | <para>reports the machine's architecture.</para>
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| 113 | </listitem>
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| 114 | </varlistentry>
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[673b0d8] | 115 |
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[b8a819f] | 116 | <varlistentry id="blockdev">
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| 117 | <term><command>blockdev</command></term>
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[c6cb3aa] | 118 | <listitem>
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[673b0d8] | 119 | <indexterm zone="ch-system-util-linux blockdev"><primary sortas="b-blockdev">blockdev</primary></indexterm>
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[c6cb3aa] | 120 | <para>allows you to call block device ioctls from the command line.</para>
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| 121 | </listitem>
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| 122 | </varlistentry>
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[673b0d8] | 123 |
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[b8a819f] | 124 | <varlistentry id="cal">
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| 125 | <term><command>cal</command></term>
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[c6cb3aa] | 126 | <listitem>
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[673b0d8] | 127 | <indexterm zone="ch-system-util-linux cal"><primary sortas="b-cal">cal</primary></indexterm>
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[c6cb3aa] | 128 | <para>displays a simple calendar.</para>
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| 129 | </listitem>
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| 130 | </varlistentry>
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[673b0d8] | 131 |
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[b8a819f] | 132 | <varlistentry id="cfdisk">
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| 133 | <term><command>cfdisk</command></term>
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[c6cb3aa] | 134 | <listitem>
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[673b0d8] | 135 | <indexterm zone="ch-system-util-linux cfdisk"><primary sortas="b-cfdisk">cfdisk</primary></indexterm>
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[c6cb3aa] | 136 | <para>is used to manipulate the partition table of the given device.</para>
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| 137 | </listitem>
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| 138 | </varlistentry>
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[673b0d8] | 139 |
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[b8a819f] | 140 | <varlistentry id="chkdupexe">
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| 141 | <term><command>chkdupexe</command></term>
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[c6cb3aa] | 142 | <listitem>
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[673b0d8] | 143 | <indexterm zone="ch-system-util-linux chkdupexe"><primary sortas="b-chkdupexe">chkdupexe</primary></indexterm>
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[c6cb3aa] | 144 | <para>finds duplicate executables.</para>
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| 145 | </listitem>
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| 146 | </varlistentry>
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[673b0d8] | 147 |
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[b8a819f] | 148 | <varlistentry id="col">
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| 149 | <term><command>col</command></term>
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[c6cb3aa] | 150 | <listitem>
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[673b0d8] | 151 | <indexterm zone="ch-system-util-linux col"><primary sortas="b-col">col</primary></indexterm>
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[c6cb3aa] | 152 | <para>filters out reverse line feeds.</para>
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| 153 | </listitem>
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| 154 | </varlistentry>
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[673b0d8] | 155 |
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[b8a819f] | 156 | <varlistentry id="colcrt">
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| 157 | <term><command>colcrt</command></term>
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[c6cb3aa] | 158 | <listitem>
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[673b0d8] | 159 | <indexterm zone="ch-system-util-linux colcrt"><primary sortas="b-colcrt">colcrt</primary></indexterm>
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[c6cb3aa] | 160 | <para>is used to filter nroff output for terminals
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[673b0d8] | 161 | that lack some capabilities such as overstriking and half-lines.</para>
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[c6cb3aa] | 162 | </listitem>
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| 163 | </varlistentry>
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[673b0d8] | 164 |
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[b8a819f] | 165 | <varlistentry id="colrm">
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| 166 | <term><command>colrm</command></term>
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[c6cb3aa] | 167 | <listitem>
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[673b0d8] | 168 | <indexterm zone="ch-system-util-linux colrm"><primary sortas="b-colrm">colrm</primary></indexterm>
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[c6cb3aa] | 169 | <para>filters out the given columns.</para>
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| 170 | </listitem>
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| 171 | </varlistentry>
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[673b0d8] | 172 |
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[b8a819f] | 173 | <varlistentry id="column">
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| 174 | <term><command>column</command></term>
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[c6cb3aa] | 175 | <listitem>
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[673b0d8] | 176 | <indexterm zone="ch-system-util-linux column"><primary sortas="b-column">column</primary></indexterm>
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[c6cb3aa] | 177 | <para>formats a given file into multiple columns.</para>
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| 178 | </listitem>
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| 179 | </varlistentry>
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[673b0d8] | 180 |
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[b8a819f] | 181 | <varlistentry id="ctrlaltdel">
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| 182 | <term><command>ctrlaltdel</command></term>
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[c6cb3aa] | 183 | <listitem>
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[673b0d8] | 184 | <indexterm zone="ch-system-util-linux ctrlaltdel"><primary sortas="b-ctrlaltdel">ctrlaltdel</primary></indexterm>
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[c6cb3aa] | 185 | <para>sets the function of the Ctrl+Alt+Del key combination to a hard or a
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| 186 | soft reset.</para>
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| 187 | </listitem>
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| 188 | </varlistentry>
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| 189 |
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[b8a819f] | 190 | <varlistentry id="cytune">
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| 191 | <term><command>cytune</command></term>
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[c6cb3aa] | 192 | <listitem>
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[673b0d8] | 193 | <indexterm zone="ch-system-util-linux cytune"><primary sortas="b-cytune">cytune</primary></indexterm>
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[c6cb3aa] | 194 | <para>was used to tune the parameters of the
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[673b0d8] | 195 | serial line drivers for Cyclades cards.</para>
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[c6cb3aa] | 196 | </listitem>
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| 197 | </varlistentry>
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[673b0d8] | 198 |
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[b8a819f] | 199 | <varlistentry id="ddate">
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| 200 | <term><command>ddate</command></term>
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[c6cb3aa] | 201 | <listitem>
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[673b0d8] | 202 | <indexterm zone="ch-system-util-linux ddate"><primary sortas="b-ddate">ddate</primary></indexterm>
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[c6cb3aa] | 203 | <para>gives the Discordian date, or converts the
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[673b0d8] | 204 | given Gregorian date to a Discordian one.</para>
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[c6cb3aa] | 205 | </listitem>
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| 206 | </varlistentry>
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[673b0d8] | 207 |
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[b8a819f] | 208 | <varlistentry id="dmesg">
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| 209 | <term><command>dmesg</command></term>
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[c6cb3aa] | 210 | <listitem>
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[673b0d8] | 211 | <indexterm zone="ch-system-util-linux dmesg"><primary sortas="b-dmesg">dmesg</primary></indexterm>
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[c6cb3aa] | 212 | <para>dumps the kernel boot messages.</para>
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| 213 | </listitem>
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| 214 | </varlistentry>
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[673b0d8] | 215 |
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[b8a819f] | 216 | <varlistentry id="elvtune">
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| 217 | <term><command>elvtune</command></term>
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[c6cb3aa] | 218 | <listitem>
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[673b0d8] | 219 | <indexterm zone="ch-system-util-linux elvtune"><primary sortas="b-elvtune">elvtune</primary></indexterm>
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[c6cb3aa] | 220 | <para>can be used to tune the performance
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[673b0d8] | 221 | and interactivity of a block device.</para>
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[c6cb3aa] | 222 | </listitem>
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| 223 | </varlistentry>
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[673b0d8] | 224 |
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[b8a819f] | 225 | <varlistentry id="fdformat">
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| 226 | <term><command>fdformat</command></term>
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[c6cb3aa] | 227 | <listitem>
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[673b0d8] | 228 | <indexterm zone="ch-system-util-linux fdformat"><primary sortas="b-fdformat">fdformat</primary></indexterm>
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[c6cb3aa] | 229 | <para>low-level formats a floppy disk.</para>
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| 230 | </listitem>
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| 231 | </varlistentry>
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[673b0d8] | 232 |
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[b8a819f] | 233 | <varlistentry id="fdisk">
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| 234 | <term><command>fdisk</command></term>
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[c6cb3aa] | 235 | <listitem>
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[673b0d8] | 236 | <indexterm zone="ch-system-util-linux fdisk"><primary sortas="b-fdisk">fdisk</primary></indexterm>
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[c6cb3aa] | 237 | <para>could be used to manipulate the partition table of the given device.</para>
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| 238 | </listitem>
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| 239 | </varlistentry>
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[673b0d8] | 240 |
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[b8a819f] | 241 | <varlistentry id="fsck.cramfs">
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| 242 | <term><command>fsck.cramfs</command></term>
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[c6cb3aa] | 243 | <listitem>
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[673b0d8] | 244 | <indexterm zone="ch-system-util-linux fsck.cramfs"><primary sortas="b-fsck.cramfs">fsck.cramfs</primary></indexterm>
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[c6cb3aa] | 245 | <para>performs a consistency check on the
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[673b0d8] | 246 | Cramfs file system on the given device.</para>
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[c6cb3aa] | 247 | </listitem>
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| 248 | </varlistentry>
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[673b0d8] | 249 |
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[b8a819f] | 250 | <varlistentry id="fsck.minix">
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| 251 | <term><command>fsck.minix</command></term>
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[c6cb3aa] | 252 | <listitem>
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[673b0d8] | 253 | <indexterm zone="ch-system-util-linux fsck.minix"><primary sortas="b-fsck.minix">fsck.minix</primary></indexterm>
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[c6cb3aa] | 254 | <para>performs a consistency check on the
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[673b0d8] | 255 | Minix file system on the given device.</para>
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[c6cb3aa] | 256 | </listitem>
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| 257 | </varlistentry>
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[673b0d8] | 258 |
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[b8a819f] | 259 | <varlistentry id="getopt">
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| 260 | <term><command>getopt</command></term>
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[c6cb3aa] | 261 | <listitem>
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[673b0d8] | 262 | <indexterm zone="ch-system-util-linux getopt"><primary sortas="b-getopt">getopt</primary></indexterm>
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[c6cb3aa] | 263 | <para>parses options in the given command line.</para>
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| 264 | </listitem>
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| 265 | </varlistentry>
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[673b0d8] | 266 |
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[b8a819f] | 267 | <varlistentry id="hexdump">
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| 268 | <term><command>hexdump</command></term>
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[c6cb3aa] | 269 | <listitem>
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[673b0d8] | 270 | <indexterm zone="ch-system-util-linux hexdump"><primary sortas="b-hexdump">hexdump</primary></indexterm>
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[c6cb3aa] | 271 | <para>dumps the given file in hexadecimal, or in another given format.</para>
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| 272 | </listitem>
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| 273 | </varlistentry>
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[673b0d8] | 274 |
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[b8a819f] | 275 | <varlistentry id="hwclock">
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| 276 | <term><command>hwclock</command></term>
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[c6cb3aa] | 277 | <listitem>
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[673b0d8] | 278 | <indexterm zone="ch-system-util-linux hwclock"><primary sortas="b-hwclock">hwclock</primary></indexterm>
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[c6cb3aa] | 279 | <para>is used to read or set the system's hardware clock, also called the RTC
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| 280 | (Real-Time Clock) or BIOS (Basic Input-Output System) clock.</para>
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| 281 | </listitem>
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| 282 | </varlistentry>
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| 283 |
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[b8a819f] | 284 | <varlistentry id="ipcrm">
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| 285 | <term><command>ipcrm</command></term>
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[c6cb3aa] | 286 | <listitem>
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[673b0d8] | 287 | <indexterm zone="ch-system-util-linux ipcrm"><primary sortas="b-ipcrm">ipcrm</primary></indexterm>
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[c6cb3aa] | 288 | <para>removes the given IPC resource.</para>
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| 289 | </listitem>
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| 290 | </varlistentry>
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[673b0d8] | 291 |
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[b8a819f] | 292 | <varlistentry id="ipcs">
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| 293 | <term><command>ipcs</command></term>
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[c6cb3aa] | 294 | <listitem>
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[673b0d8] | 295 | <indexterm zone="ch-system-util-linux ipcs"><primary sortas="b-ipcs">ipcs</primary></indexterm>
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[c6cb3aa] | 296 | <para>provides IPC status information.</para>
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| 297 | </listitem>
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| 298 | </varlistentry>
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[673b0d8] | 299 |
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[b8a819f] | 300 | <varlistentry id="isosize">
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| 301 | <term><command>isosize</command></term>
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[c6cb3aa] | 302 | <listitem>
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[673b0d8] | 303 | <indexterm zone="ch-system-util-linux isosize"><primary sortas="b-isosize">isosize</primary></indexterm>
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[c6cb3aa] | 304 | <para>reports the size of an iso9660 file system.</para>
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| 305 | </listitem>
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| 306 | </varlistentry>
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[673b0d8] | 307 |
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[b8a819f] | 308 | <varlistentry id="line">
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| 309 | <term><command>line</command></term>
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[c6cb3aa] | 310 | <listitem>
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[673b0d8] | 311 | <indexterm zone="ch-system-util-linux line"><primary sortas="b-line">line</primary></indexterm>
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[c6cb3aa] | 312 | <para>copies a single line.</para>
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| 313 | </listitem>
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| 314 | </varlistentry>
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[673b0d8] | 315 |
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[b8a819f] | 316 | <varlistentry id="logger">
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| 317 | <term><command>logger</command></term>
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[c6cb3aa] | 318 | <listitem>
|
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[673b0d8] | 319 | <indexterm zone="ch-system-util-linux logger"><primary sortas="b-logger">logger</primary></indexterm>
|
---|
[c6cb3aa] | 320 | <para>enters the given message into the system log.</para>
|
---|
| 321 | </listitem>
|
---|
| 322 | </varlistentry>
|
---|
[673b0d8] | 323 |
|
---|
[b8a819f] | 324 | <varlistentry id="look">
|
---|
| 325 | <term><command>look</command></term>
|
---|
[c6cb3aa] | 326 | <listitem>
|
---|
[673b0d8] | 327 | <indexterm zone="ch-system-util-linux look"><primary sortas="b-look">look</primary></indexterm>
|
---|
[c6cb3aa] | 328 | <para>displays lines that begin with the given string.</para>
|
---|
| 329 | </listitem>
|
---|
| 330 | </varlistentry>
|
---|
[673b0d8] | 331 |
|
---|
[b8a819f] | 332 | <varlistentry id="losetup">
|
---|
| 333 | <term><command>losetup</command></term>
|
---|
[c6cb3aa] | 334 | <listitem>
|
---|
[673b0d8] | 335 | <indexterm zone="ch-system-util-linux losetup"><primary sortas="b-losetup">losetup</primary></indexterm>
|
---|
[c6cb3aa] | 336 | <para>is used to set up and control loop devices.</para>
|
---|
| 337 | </listitem>
|
---|
| 338 | </varlistentry>
|
---|
[673b0d8] | 339 |
|
---|
[b8a819f] | 340 | <varlistentry id="mcookie">
|
---|
| 341 | <term><command>mcookie</command></term>
|
---|
[c6cb3aa] | 342 | <listitem>
|
---|
[673b0d8] | 343 | <indexterm zone="ch-system-util-linux mcookie"><primary sortas="b-mcookie">mcookie</primary></indexterm>
|
---|
[c6cb3aa] | 344 | <para>generates magic cookies, 128-bit random hexadecimal numbers,
|
---|
[8ad7980] | 345 | for <command>xauth</command>.</para>
|
---|
[c6cb3aa] | 346 | </listitem>
|
---|
| 347 | </varlistentry>
|
---|
| 348 |
|
---|
[b8a819f] | 349 | <varlistentry id="mkfs">
|
---|
| 350 | <term><command>mkfs</command></term>
|
---|
[c6cb3aa] | 351 | <listitem>
|
---|
[673b0d8] | 352 | <indexterm zone="ch-system-util-linux mkfs"><primary sortas="b-mkfs">mkfs</primary></indexterm>
|
---|
[c6cb3aa] | 353 | <para>is used to build a file system on a device
|
---|
[673b0d8] | 354 | (usually a hard disk partition).</para>
|
---|
[c6cb3aa] | 355 | </listitem>
|
---|
| 356 | </varlistentry>
|
---|
[673b0d8] | 357 |
|
---|
[b8a819f] | 358 | <varlistentry id="mkfs.bfs">
|
---|
| 359 | <term><command>mkfs.bfs</command></term>
|
---|
[c6cb3aa] | 360 | <listitem>
|
---|
[673b0d8] | 361 | <indexterm zone="ch-system-util-linux mkfs.bfs"><primary sortas="b-mkfs.bfs">mkfs.bfs</primary></indexterm>
|
---|
[c6cb3aa] | 362 | <para>creates an SCO (Santa Cruz Operations) bfs file system.</para>
|
---|
| 363 | </listitem>
|
---|
| 364 | </varlistentry>
|
---|
[673b0d8] | 365 |
|
---|
[b8a819f] | 366 | <varlistentry id="mkfs.cramfs">
|
---|
| 367 | <term><command>mkfs.cramfs</command></term>
|
---|
[c6cb3aa] | 368 | <listitem>
|
---|
[673b0d8] | 369 | <indexterm zone="ch-system-util-linux mkfs.cramfs"><primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary></indexterm>
|
---|
[c6cb3aa] | 370 | <para>creates a cramfs file system.</para>
|
---|
| 371 | </listitem>
|
---|
| 372 | </varlistentry>
|
---|
[673b0d8] | 373 |
|
---|
[b8a819f] | 374 | <varlistentry id="mkfs.minix">
|
---|
| 375 | <term><command>mkfs.minix</command></term>
|
---|
[c6cb3aa] | 376 | <listitem>
|
---|
[673b0d8] | 377 | <indexterm zone="ch-system-util-linux mkfs.minix"><primary sortas="b-mkfs.minix">mkfs.minix</primary></indexterm>
|
---|
[c6cb3aa] | 378 | <para>creates a Minix file system.</para>
|
---|
| 379 | </listitem>
|
---|
| 380 | </varlistentry>
|
---|
[673b0d8] | 381 |
|
---|
[b8a819f] | 382 | <varlistentry id="mkswap">
|
---|
| 383 | <term><command>mkswap</command></term>
|
---|
[c6cb3aa] | 384 | <listitem>
|
---|
[673b0d8] | 385 | <indexterm zone="ch-system-util-linux mkswap"><primary sortas="b-mkswap">mkswap</primary></indexterm>
|
---|
[c6cb3aa] | 386 | <para>initializes the given device or file to be used as a swap area.</para>
|
---|
| 387 | </listitem>
|
---|
| 388 | </varlistentry>
|
---|
[673b0d8] | 389 |
|
---|
[b8a819f] | 390 | <varlistentry id="more">
|
---|
| 391 | <term><command>more</command></term>
|
---|
[c6cb3aa] | 392 | <listitem>
|
---|
[673b0d8] | 393 | <indexterm zone="ch-system-util-linux more"><primary sortas="b-more">more</primary></indexterm>
|
---|
[c6cb3aa] | 394 | <para>is a filter for paging through text one
|
---|
[8ad7980] | 395 | screen full at a time. But <command>less</command> is much better.</para>
|
---|
[c6cb3aa] | 396 | </listitem>
|
---|
| 397 | </varlistentry>
|
---|
[673b0d8] | 398 |
|
---|
[b8a819f] | 399 | <varlistentry id="mount">
|
---|
| 400 | <term><command>mount</command></term>
|
---|
[c6cb3aa] | 401 | <listitem>
|
---|
[673b0d8] | 402 | <indexterm zone="ch-system-util-linux mount"><primary sortas="b-mount">mount</primary></indexterm>
|
---|
[c6cb3aa] | 403 | <para>attaches the file system on the given device to a specified directory (thus
|
---|
| 404 | hiding the contents of that directory) in the file-system tree.</para>
|
---|
| 405 | </listitem>
|
---|
| 406 | </varlistentry>
|
---|
| 407 |
|
---|
[b8a819f] | 408 | <varlistentry id="namei">
|
---|
| 409 | <term><command>namei</command></term>
|
---|
[c6cb3aa] | 410 | <listitem>
|
---|
[673b0d8] | 411 | <indexterm zone="ch-system-util-linux namei"><primary sortas="b-namei">namei</primary></indexterm>
|
---|
[c6cb3aa] | 412 | <para>shows the symbolic links in the given pathnames.</para>
|
---|
| 413 | </listitem>
|
---|
| 414 | </varlistentry>
|
---|
[673b0d8] | 415 |
|
---|
[b8a819f] | 416 | <varlistentry id="pg">
|
---|
| 417 | <term><command>pg</command></term>
|
---|
[c6cb3aa] | 418 | <listitem>
|
---|
[673b0d8] | 419 | <indexterm zone="ch-system-util-linux pg"><primary sortas="b-pg">pg</primary></indexterm>
|
---|
[c6cb3aa] | 420 | <para>displays a text file one screen full at a time.</para>
|
---|
| 421 | </listitem>
|
---|
| 422 | </varlistentry>
|
---|
[673b0d8] | 423 |
|
---|
[b8a819f] | 424 | <varlistentry id="pivot_root">
|
---|
| 425 | <term><command>pivot_root</command></term>
|
---|
[c6cb3aa] | 426 | <listitem>
|
---|
[673b0d8] | 427 | <indexterm zone="ch-system-util-linux pivot_root"><primary sortas="b-pivot_root">pivot_root</primary></indexterm>
|
---|
[c6cb3aa] | 428 | <para>makes the given file system the new
|
---|
[673b0d8] | 429 | root file system of the current process.</para>
|
---|
[c6cb3aa] | 430 | </listitem>
|
---|
| 431 | </varlistentry>
|
---|
[673b0d8] | 432 |
|
---|
[b8a819f] | 433 | <varlistentry id="ramsize">
|
---|
| 434 | <term><command>ramsize</command></term>
|
---|
[c6cb3aa] | 435 | <listitem>
|
---|
[673b0d8] | 436 | <indexterm zone="ch-system-util-linux ramsize"><primary sortas="b-ramsize">ramsize</primary></indexterm>
|
---|
[c6cb3aa] | 437 | <para>is used to set the size of the RAM disk in a bootable image.</para>
|
---|
| 438 | </listitem>
|
---|
| 439 | </varlistentry>
|
---|
[673b0d8] | 440 |
|
---|
[b8a819f] | 441 | <varlistentry id="rdev">
|
---|
| 442 | <term><command>rdev</command></term>
|
---|
[c6cb3aa] | 443 | <listitem>
|
---|
[673b0d8] | 444 | <indexterm zone="ch-system-util-linux rdev"><primary sortas="b-rdev">rdev</primary></indexterm>
|
---|
[c6cb3aa] | 445 | <para>is used to query and set the root
|
---|
[673b0d8] | 446 | device and other things in a bootable image.</para>
|
---|
[c6cb3aa] | 447 | </listitem>
|
---|
| 448 | </varlistentry>
|
---|
[673b0d8] | 449 |
|
---|
[b8a819f] | 450 | <varlistentry id="readprofile">
|
---|
| 451 | <term><command>readprofile</command></term>
|
---|
[c6cb3aa] | 452 | <listitem>
|
---|
[673b0d8] | 453 | <indexterm zone="ch-system-util-linux readprofile"><primary sortas="b-readprofile">readprofile</primary></indexterm>
|
---|
[c6cb3aa] | 454 | <para>reads kernel profiling information.</para>
|
---|
| 455 | </listitem>
|
---|
| 456 | </varlistentry>
|
---|
[673b0d8] | 457 |
|
---|
[b8a819f] | 458 | <varlistentry id="rename">
|
---|
| 459 | <term><command>rename</command></term>
|
---|
[c6cb3aa] | 460 | <listitem>
|
---|
[673b0d8] | 461 | <indexterm zone="ch-system-util-linux rename"><primary sortas="b-rename">rename</primary></indexterm>
|
---|
[c6cb3aa] | 462 | <para>renames the given files, replacing a given string with another.</para>
|
---|
| 463 | </listitem>
|
---|
| 464 | </varlistentry>
|
---|
[673b0d8] | 465 |
|
---|
[b8a819f] | 466 | <varlistentry id="renice">
|
---|
| 467 | <term><command>renice</command></term>
|
---|
[c6cb3aa] | 468 | <listitem>
|
---|
[673b0d8] | 469 | <indexterm zone="ch-system-util-linux renice"><primary sortas="b-renice">renice</primary></indexterm>
|
---|
[c6cb3aa] | 470 | <para>is used to alter the priority of running processes.</para>
|
---|
| 471 | </listitem>
|
---|
| 472 | </varlistentry>
|
---|
[673b0d8] | 473 |
|
---|
[b8a819f] | 474 | <varlistentry id="rev">
|
---|
| 475 | <term><command>rev</command></term>
|
---|
[c6cb3aa] | 476 | <listitem>
|
---|
[673b0d8] | 477 | <indexterm zone="ch-system-util-linux rev"><primary sortas="b-rev">rev</primary></indexterm>
|
---|
[c6cb3aa] | 478 | <para>reverses the lines of a given file.</para>
|
---|
| 479 | </listitem>
|
---|
| 480 | </varlistentry>
|
---|
[673b0d8] | 481 |
|
---|
[b8a819f] | 482 | <varlistentry id="rootflags">
|
---|
| 483 | <term><command>rootflags</command></term>
|
---|
[c6cb3aa] | 484 | <listitem>
|
---|
[673b0d8] | 485 | <indexterm zone="ch-system-util-linux rootflags"><primary sortas="b-rootflags">rootflags</primary></indexterm>
|
---|
[c6cb3aa] | 486 | <para>is used to set the rootflags in a bootable image.</para>
|
---|
| 487 | </listitem>
|
---|
| 488 | </varlistentry>
|
---|
[673b0d8] | 489 |
|
---|
[b8a819f] | 490 | <varlistentry id="script">
|
---|
| 491 | <term><command>script</command></term>
|
---|
[c6cb3aa] | 492 | <listitem>
|
---|
[673b0d8] | 493 | <indexterm zone="ch-system-util-linux script"><primary sortas="b-script">script</primary></indexterm>
|
---|
[c6cb3aa] | 494 | <para>makes a typescript of a terminal session, of everything printed to
|
---|
| 495 | the terminal.</para>
|
---|
| 496 | </listitem>
|
---|
| 497 | </varlistentry>
|
---|
| 498 |
|
---|
[b8a819f] | 499 | <varlistentry id="setfdprm">
|
---|
| 500 | <term><command>setfdprm</command></term>
|
---|
[c6cb3aa] | 501 | <listitem>
|
---|
[673b0d8] | 502 | <indexterm zone="ch-system-util-linux setfdprm"><primary sortas="b-setfdprm">setfdprm</primary></indexterm>
|
---|
[c6cb3aa] | 503 | <para>sets user-provided floppy disk parameters.</para>
|
---|
| 504 | </listitem>
|
---|
| 505 | </varlistentry>
|
---|
[673b0d8] | 506 |
|
---|
[b8a819f] | 507 | <varlistentry id="setsid">
|
---|
| 508 | <term><command>setsid</command></term>
|
---|
[c6cb3aa] | 509 | <listitem>
|
---|
[673b0d8] | 510 | <indexterm zone="ch-system-util-linux setsid"><primary sortas="b-setsid">setsid</primary></indexterm>
|
---|
[c6cb3aa] | 511 | <para>runs the given program in a new session.</para>
|
---|
| 512 | </listitem>
|
---|
| 513 | </varlistentry>
|
---|
[673b0d8] | 514 |
|
---|
[b8a819f] | 515 | <varlistentry id="setterm">
|
---|
| 516 | <term><command>setterm</command></term>
|
---|
[c6cb3aa] | 517 | <listitem>
|
---|
[673b0d8] | 518 | <indexterm zone="ch-system-util-linux setterm"><primary sortas="b-setterm">setterm</primary></indexterm>
|
---|
[c6cb3aa] | 519 | <para>is used to set terminal attributes.</para>
|
---|
| 520 | </listitem>
|
---|
| 521 | </varlistentry>
|
---|
[673b0d8] | 522 |
|
---|
[b8a819f] | 523 | <varlistentry id="sfdisk">
|
---|
| 524 | <term><command>sfdisk</command></term>
|
---|
[c6cb3aa] | 525 | <listitem>
|
---|
[673b0d8] | 526 | <indexterm zone="ch-system-util-linux sfdisk"><primary sortas="b-sfdisk">sfdisk</primary></indexterm>
|
---|
[c6cb3aa] | 527 | <para>is a disk partition table manipulator.</para>
|
---|
| 528 | </listitem>
|
---|
| 529 | </varlistentry>
|
---|
[673b0d8] | 530 |
|
---|
[b8a819f] | 531 | <varlistentry id="swapdev">
|
---|
| 532 | <term><command>swapdev</command></term>
|
---|
[c6cb3aa] | 533 | <listitem>
|
---|
[673b0d8] | 534 | <indexterm zone="ch-system-util-linux swapdev"><primary sortas="b-swapdev">swapdev</primary></indexterm>
|
---|
[c6cb3aa] | 535 | <para>is used to set the swap device in a bootable image.</para>
|
---|
| 536 | </listitem>
|
---|
| 537 | </varlistentry>
|
---|
[673b0d8] | 538 |
|
---|
[b8a819f] | 539 | <varlistentry id="swapoff">
|
---|
| 540 | <term><command>swapoff</command></term>
|
---|
[c6cb3aa] | 541 | <listitem>
|
---|
[673b0d8] | 542 | <indexterm zone="ch-system-util-linux swapoff"><primary sortas="b-swapoff">swapoff</primary></indexterm>
|
---|
[c6cb3aa] | 543 | <para>disables devices and files for paging and swapping.</para>
|
---|
| 544 | </listitem>
|
---|
| 545 | </varlistentry>
|
---|
[673b0d8] | 546 |
|
---|
[b8a819f] | 547 | <varlistentry id="swapon">
|
---|
| 548 | <term><command>swapon</command></term>
|
---|
[c6cb3aa] | 549 | <listitem>
|
---|
[673b0d8] | 550 | <indexterm zone="ch-system-util-linux swapon"><primary sortas="b-swapon">swapon</primary></indexterm>
|
---|
[c6cb3aa] | 551 | <para>enables devices and files for paging and swapping.</para>
|
---|
| 552 | </listitem>
|
---|
| 553 | </varlistentry>
|
---|
[673b0d8] | 554 |
|
---|
[b8a819f] | 555 | <varlistentry id="tunelp">
|
---|
| 556 | <term><command>tunelp</command></term>
|
---|
[c6cb3aa] | 557 | <listitem>
|
---|
[673b0d8] | 558 | <indexterm zone="ch-system-util-linux tunelp"><primary sortas="b-tunelp">tunelp</primary></indexterm>
|
---|
[c6cb3aa] | 559 | <para>is used to tune the parameters of the line printer.</para>
|
---|
| 560 | </listitem>
|
---|
| 561 | </varlistentry>
|
---|
[673b0d8] | 562 |
|
---|
[b8a819f] | 563 | <varlistentry id="ul">
|
---|
| 564 | <term><command>ul</command></term>
|
---|
[c6cb3aa] | 565 | <listitem>
|
---|
[673b0d8] | 566 | <indexterm zone="ch-system-util-linux ul"><primary sortas="b-ul">ul</primary></indexterm>
|
---|
[c6cb3aa] | 567 | <para>is a filter for translating underscores into
|
---|
[673b0d8] | 568 | escape sequences indicating underlining for the terminal in use.</para>
|
---|
[c6cb3aa] | 569 | </listitem>
|
---|
| 570 | </varlistentry>
|
---|
[673b0d8] | 571 |
|
---|
[b8a819f] | 572 | <varlistentry id="umount">
|
---|
| 573 | <term><command>umount</command></term>
|
---|
[c6cb3aa] | 574 | <listitem>
|
---|
[673b0d8] | 575 | <indexterm zone="ch-system-util-linux umount"><primary sortas="b-umount">umount</primary></indexterm>
|
---|
[c6cb3aa] | 576 | <para>disconnects a file system from the system's file tree.</para>
|
---|
| 577 | </listitem>
|
---|
| 578 | </varlistentry>
|
---|
[673b0d8] | 579 |
|
---|
[b8a819f] | 580 | <varlistentry id="vidmode">
|
---|
| 581 | <term><command>vidmode</command></term>
|
---|
[c6cb3aa] | 582 | <listitem>
|
---|
[673b0d8] | 583 | <indexterm zone="ch-system-util-linux vidmode"><primary sortas="b-vidmode">vidmode</primary></indexterm>
|
---|
[c6cb3aa] | 584 | <para>could be used to set the video mode in a bootable image.</para>
|
---|
| 585 | </listitem>
|
---|
| 586 | </varlistentry>
|
---|
[673b0d8] | 587 |
|
---|
[b8a819f] | 588 | <varlistentry id="whereis">
|
---|
| 589 | <term><command>whereis</command></term>
|
---|
[c6cb3aa] | 590 | <listitem>
|
---|
[673b0d8] | 591 | <indexterm zone="ch-system-util-linux whereis"><primary sortas="b-whereis">whereis</primary></indexterm>
|
---|
[c6cb3aa] | 592 | <para>reports the location of binary, the
|
---|
[673b0d8] | 593 | source, and the manual page for the given command.</para>
|
---|
[c6cb3aa] | 594 | </listitem>
|
---|
| 595 | </varlistentry>
|
---|
[673b0d8] | 596 |
|
---|
[b8a819f] | 597 | <varlistentry id="write">
|
---|
| 598 | <term><command>write</command></term>
|
---|
[c6cb3aa] | 599 | <listitem>
|
---|
[673b0d8] | 600 | <indexterm zone="ch-system-util-linux write"><primary sortas="b-write">write</primary></indexterm>
|
---|
[c6cb3aa] | 601 | <para>sends a message to the given user,
|
---|
[673b0d8] | 602 | <emphasis>if</emphasis> that user has not disabled such messages.</para>
|
---|
[c6cb3aa] | 603 | </listitem>
|
---|
| 604 | </varlistentry>
|
---|
| 605 | </variablelist>
|
---|
[673b0d8] | 606 |
|
---|
| 607 | </sect2>
|
---|
| 608 |
|
---|
| 609 | </sect1>
|
---|