[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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| 33 | <para>The FHS recommends that we use <filename>/var/lib/hwclock</filename>,
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| 34 | instead of the usual <filename>/etc</filename>, as the location for the
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| 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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[9dfc02f] | 46 | <para>Util-linux has issues with the Linux 2.6 kernel series - fix these isues
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| 47 | by applying the following patch:</para>
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| 48 |
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[71bbe67] | 49 | <screen><userinput>patch -Np1 -i ../util-linux-&util-linux-version;-kernel_headers-1.patch</userinput></screen>
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[9dfc02f] | 50 |
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[673b0d8] | 51 | <para>Prepare Util-linux for compilation:</para>
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| 52 |
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| 53 | <screen><userinput>./configure</userinput></screen>
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| 54 |
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| 55 | <para>Compile the package:</para>
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| 56 |
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| 57 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
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| 58 |
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| 59 | <para>The meaning of the make parameters:</para>
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| 60 |
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[df8334f] | 61 | <variablelist>
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| 62 | <varlistentry>
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| 63 | <term><userinput>HAVE_KILL=yes</userinput></term>
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| 64 | <listitem><para>This prevents the
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[673b0d8] | 65 | <command>kill</command> program (already installed by Procps) from being
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| 66 | built and installed again.</para></listitem>
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[df8334f] | 67 | </varlistentry>
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[673b0d8] | 68 |
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[df8334f] | 69 | <varlistentry>
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| 70 | <term><userinput>HAVE_SLN=yes</userinput></term>
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| 71 | <listitem><para>This prevents the
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[673b0d8] | 72 | <command>sln</command> program (a statically linked
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| 73 | <command>ln</command> already installed by Glibc) from being built and
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| 74 | installed again.</para></listitem>
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[df8334f] | 75 | </varlistentry>
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| 76 | </variablelist>
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[673b0d8] | 77 |
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| 78 | <para>Now install the package:</para>
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| 79 |
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| 80 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
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| 81 |
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| 82 | </sect2>
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| 83 |
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| 84 |
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[c6cb3aa] | 85 | <sect2 id="contents-utillinux" role="content"><title>Contents of Util-linux</title>
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[673b0d8] | 86 |
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[c6cb3aa] | 87 | <segmentedlist>
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| 88 | <segtitle>Installed programs</segtitle>
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| 89 | <seglistitem><seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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| 90 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, fdisk,
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| 91 | fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, ipcs, isosize, line,
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| 92 | logger, look, losetup, mcookie, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
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| 93 | more, mount, namei, pg, pivot_root, ramsize (link to rdev), raw, rdev, readprofile,
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| 94 | rename, renice, rev, rootflags (link to rdev), script, setfdprm, setsid, setterm,
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| 95 | sfdisk, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode (link to rdev),
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| 96 | whereis and write</seg></seglistitem>
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| 97 | </segmentedlist>
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[673b0d8] | 98 |
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[c6cb3aa] | 99 | <variablelist><title>Short descriptions</title>
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[673b0d8] | 100 |
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[b8a819f] | 101 | <varlistentry id="agetty">
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| 102 | <term><command>agetty</command></term>
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[c6cb3aa] | 103 | <listitem>
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[673b0d8] | 104 | <indexterm zone="ch-system-util-linux agetty"><primary sortas="b-agetty">agetty</primary></indexterm>
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[c6cb3aa] | 105 | <para>opens a tty port, prompts for a login name,
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[673b0d8] | 106 | and then invokes the login program.</para>
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[c6cb3aa] | 107 | </listitem>
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| 108 | </varlistentry>
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[673b0d8] | 109 |
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[b8a819f] | 110 | <varlistentry id="arch">
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| 111 | <term><command>arch</command></term>
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[c6cb3aa] | 112 | <listitem>
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[673b0d8] | 113 | <indexterm zone="ch-system-util-linux arch"><primary sortas="b-arch">arch</primary></indexterm>
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[c6cb3aa] | 114 | <para>reports the machine's architecture.</para>
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| 115 | </listitem>
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| 116 | </varlistentry>
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[673b0d8] | 117 |
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[b8a819f] | 118 | <varlistentry id="blockdev">
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| 119 | <term><command>blockdev</command></term>
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[c6cb3aa] | 120 | <listitem>
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[673b0d8] | 121 | <indexterm zone="ch-system-util-linux blockdev"><primary sortas="b-blockdev">blockdev</primary></indexterm>
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[c6cb3aa] | 122 | <para>allows you to call block device ioctls from the command line.</para>
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| 123 | </listitem>
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| 124 | </varlistentry>
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[673b0d8] | 125 |
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[b8a819f] | 126 | <varlistentry id="cal">
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| 127 | <term><command>cal</command></term>
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[c6cb3aa] | 128 | <listitem>
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[673b0d8] | 129 | <indexterm zone="ch-system-util-linux cal"><primary sortas="b-cal">cal</primary></indexterm>
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[c6cb3aa] | 130 | <para>displays a simple calendar.</para>
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| 131 | </listitem>
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| 132 | </varlistentry>
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[673b0d8] | 133 |
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[b8a819f] | 134 | <varlistentry id="cfdisk">
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| 135 | <term><command>cfdisk</command></term>
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[c6cb3aa] | 136 | <listitem>
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[673b0d8] | 137 | <indexterm zone="ch-system-util-linux cfdisk"><primary sortas="b-cfdisk">cfdisk</primary></indexterm>
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[c6cb3aa] | 138 | <para>is used to manipulate the partition table of the given device.</para>
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| 139 | </listitem>
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| 140 | </varlistentry>
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[673b0d8] | 141 |
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[b8a819f] | 142 | <varlistentry id="chkdupexe">
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| 143 | <term><command>chkdupexe</command></term>
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[c6cb3aa] | 144 | <listitem>
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[673b0d8] | 145 | <indexterm zone="ch-system-util-linux chkdupexe"><primary sortas="b-chkdupexe">chkdupexe</primary></indexterm>
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[c6cb3aa] | 146 | <para>finds duplicate executables.</para>
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| 147 | </listitem>
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| 148 | </varlistentry>
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[673b0d8] | 149 |
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[b8a819f] | 150 | <varlistentry id="col">
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| 151 | <term><command>col</command></term>
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[c6cb3aa] | 152 | <listitem>
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[673b0d8] | 153 | <indexterm zone="ch-system-util-linux col"><primary sortas="b-col">col</primary></indexterm>
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[c6cb3aa] | 154 | <para>filters out reverse line feeds.</para>
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| 155 | </listitem>
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| 156 | </varlistentry>
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[673b0d8] | 157 |
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[b8a819f] | 158 | <varlistentry id="colcrt">
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| 159 | <term><command>colcrt</command></term>
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[c6cb3aa] | 160 | <listitem>
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[673b0d8] | 161 | <indexterm zone="ch-system-util-linux colcrt"><primary sortas="b-colcrt">colcrt</primary></indexterm>
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[c6cb3aa] | 162 | <para>is used to filter nroff output for terminals
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[673b0d8] | 163 | that lack some capabilities such as overstriking and half-lines.</para>
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[c6cb3aa] | 164 | </listitem>
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| 165 | </varlistentry>
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[673b0d8] | 166 |
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[b8a819f] | 167 | <varlistentry id="colrm">
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| 168 | <term><command>colrm</command></term>
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[c6cb3aa] | 169 | <listitem>
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[673b0d8] | 170 | <indexterm zone="ch-system-util-linux colrm"><primary sortas="b-colrm">colrm</primary></indexterm>
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[c6cb3aa] | 171 | <para>filters out the given columns.</para>
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| 172 | </listitem>
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| 173 | </varlistentry>
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[673b0d8] | 174 |
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[b8a819f] | 175 | <varlistentry id="column">
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| 176 | <term><command>column</command></term>
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[c6cb3aa] | 177 | <listitem>
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[673b0d8] | 178 | <indexterm zone="ch-system-util-linux column"><primary sortas="b-column">column</primary></indexterm>
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[c6cb3aa] | 179 | <para>formats a given file into multiple columns.</para>
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| 180 | </listitem>
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| 181 | </varlistentry>
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[673b0d8] | 182 |
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[b8a819f] | 183 | <varlistentry id="ctrlaltdel">
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| 184 | <term><command>ctrlaltdel</command></term>
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[c6cb3aa] | 185 | <listitem>
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[673b0d8] | 186 | <indexterm zone="ch-system-util-linux ctrlaltdel"><primary sortas="b-ctrlaltdel">ctrlaltdel</primary></indexterm>
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[c6cb3aa] | 187 | <para>sets the function of the Ctrl+Alt+Del key combination to a hard or a
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| 188 | soft reset.</para>
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| 189 | </listitem>
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| 190 | </varlistentry>
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| 191 |
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[b8a819f] | 192 | <varlistentry id="cytune">
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| 193 | <term><command>cytune</command></term>
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[c6cb3aa] | 194 | <listitem>
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[673b0d8] | 195 | <indexterm zone="ch-system-util-linux cytune"><primary sortas="b-cytune">cytune</primary></indexterm>
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[c6cb3aa] | 196 | <para>was used to tune the parameters of the
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[673b0d8] | 197 | serial line drivers for Cyclades cards.</para>
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[c6cb3aa] | 198 | </listitem>
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| 199 | </varlistentry>
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[673b0d8] | 200 |
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[b8a819f] | 201 | <varlistentry id="ddate">
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| 202 | <term><command>ddate</command></term>
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[c6cb3aa] | 203 | <listitem>
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[673b0d8] | 204 | <indexterm zone="ch-system-util-linux ddate"><primary sortas="b-ddate">ddate</primary></indexterm>
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[c6cb3aa] | 205 | <para>gives the Discordian date, or converts the
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[673b0d8] | 206 | given Gregorian date to a Discordian one.</para>
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[c6cb3aa] | 207 | </listitem>
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| 208 | </varlistentry>
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[673b0d8] | 209 |
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[b8a819f] | 210 | <varlistentry id="dmesg">
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| 211 | <term><command>dmesg</command></term>
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[c6cb3aa] | 212 | <listitem>
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[673b0d8] | 213 | <indexterm zone="ch-system-util-linux dmesg"><primary sortas="b-dmesg">dmesg</primary></indexterm>
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[c6cb3aa] | 214 | <para>dumps the kernel boot messages.</para>
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| 215 | </listitem>
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| 216 | </varlistentry>
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[673b0d8] | 217 |
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[b8a819f] | 218 | <varlistentry id="elvtune">
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| 219 | <term><command>elvtune</command></term>
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[c6cb3aa] | 220 | <listitem>
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[673b0d8] | 221 | <indexterm zone="ch-system-util-linux elvtune"><primary sortas="b-elvtune">elvtune</primary></indexterm>
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[c6cb3aa] | 222 | <para>can be used to tune the performance
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[673b0d8] | 223 | and interactivity of a block device.</para>
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[c6cb3aa] | 224 | </listitem>
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| 225 | </varlistentry>
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[673b0d8] | 226 |
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[b8a819f] | 227 | <varlistentry id="fdformat">
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| 228 | <term><command>fdformat</command></term>
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[c6cb3aa] | 229 | <listitem>
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[673b0d8] | 230 | <indexterm zone="ch-system-util-linux fdformat"><primary sortas="b-fdformat">fdformat</primary></indexterm>
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[c6cb3aa] | 231 | <para>low-level formats a floppy disk.</para>
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| 232 | </listitem>
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| 233 | </varlistentry>
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[673b0d8] | 234 |
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[b8a819f] | 235 | <varlistentry id="fdisk">
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| 236 | <term><command>fdisk</command></term>
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[c6cb3aa] | 237 | <listitem>
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[673b0d8] | 238 | <indexterm zone="ch-system-util-linux fdisk"><primary sortas="b-fdisk">fdisk</primary></indexterm>
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[c6cb3aa] | 239 | <para>could be used to manipulate the partition table of the given device.</para>
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| 240 | </listitem>
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| 241 | </varlistentry>
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[673b0d8] | 242 |
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[b8a819f] | 243 | <varlistentry id="fsck.cramfs">
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| 244 | <term><command>fsck.cramfs</command></term>
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[c6cb3aa] | 245 | <listitem>
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[673b0d8] | 246 | <indexterm zone="ch-system-util-linux fsck.cramfs"><primary sortas="b-fsck.cramfs">fsck.cramfs</primary></indexterm>
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[c6cb3aa] | 247 | <para>performs a consistency check on the
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[673b0d8] | 248 | Cramfs file system on the given device.</para>
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[c6cb3aa] | 249 | </listitem>
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| 250 | </varlistentry>
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[673b0d8] | 251 |
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[b8a819f] | 252 | <varlistentry id="fsck.minix">
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| 253 | <term><command>fsck.minix</command></term>
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[c6cb3aa] | 254 | <listitem>
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[673b0d8] | 255 | <indexterm zone="ch-system-util-linux fsck.minix"><primary sortas="b-fsck.minix">fsck.minix</primary></indexterm>
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[c6cb3aa] | 256 | <para>performs a consistency check on the
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[673b0d8] | 257 | Minix file system on the given device.</para>
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[c6cb3aa] | 258 | </listitem>
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| 259 | </varlistentry>
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[673b0d8] | 260 |
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[b8a819f] | 261 | <varlistentry id="getopt">
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| 262 | <term><command>getopt</command></term>
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[c6cb3aa] | 263 | <listitem>
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[673b0d8] | 264 | <indexterm zone="ch-system-util-linux getopt"><primary sortas="b-getopt">getopt</primary></indexterm>
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[c6cb3aa] | 265 | <para>parses options in the given command line.</para>
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| 266 | </listitem>
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| 267 | </varlistentry>
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[673b0d8] | 268 |
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[b8a819f] | 269 | <varlistentry id="hexdump">
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| 270 | <term><command>hexdump</command></term>
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[c6cb3aa] | 271 | <listitem>
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[673b0d8] | 272 | <indexterm zone="ch-system-util-linux hexdump"><primary sortas="b-hexdump">hexdump</primary></indexterm>
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[c6cb3aa] | 273 | <para>dumps the given file in hexadecimal, or in another given format.</para>
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| 274 | </listitem>
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| 275 | </varlistentry>
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[673b0d8] | 276 |
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[b8a819f] | 277 | <varlistentry id="hwclock">
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| 278 | <term><command>hwclock</command></term>
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[c6cb3aa] | 279 | <listitem>
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[673b0d8] | 280 | <indexterm zone="ch-system-util-linux hwclock"><primary sortas="b-hwclock">hwclock</primary></indexterm>
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[c6cb3aa] | 281 | <para>is used to read or set the system's hardware clock, also called the RTC
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| 282 | (Real-Time Clock) or BIOS (Basic Input-Output System) clock.</para>
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| 283 | </listitem>
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| 284 | </varlistentry>
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| 285 |
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[b8a819f] | 286 | <varlistentry id="ipcrm">
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| 287 | <term><command>ipcrm</command></term>
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[c6cb3aa] | 288 | <listitem>
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[673b0d8] | 289 | <indexterm zone="ch-system-util-linux ipcrm"><primary sortas="b-ipcrm">ipcrm</primary></indexterm>
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[c6cb3aa] | 290 | <para>removes the given IPC resource.</para>
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| 291 | </listitem>
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| 292 | </varlistentry>
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[673b0d8] | 293 |
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[b8a819f] | 294 | <varlistentry id="ipcs">
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| 295 | <term><command>ipcs</command></term>
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[c6cb3aa] | 296 | <listitem>
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[673b0d8] | 297 | <indexterm zone="ch-system-util-linux ipcs"><primary sortas="b-ipcs">ipcs</primary></indexterm>
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[c6cb3aa] | 298 | <para>provides IPC status information.</para>
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| 299 | </listitem>
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| 300 | </varlistentry>
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[673b0d8] | 301 |
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[b8a819f] | 302 | <varlistentry id="isosize">
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| 303 | <term><command>isosize</command></term>
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[c6cb3aa] | 304 | <listitem>
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[673b0d8] | 305 | <indexterm zone="ch-system-util-linux isosize"><primary sortas="b-isosize">isosize</primary></indexterm>
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[c6cb3aa] | 306 | <para>reports the size of an iso9660 file system.</para>
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| 307 | </listitem>
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| 308 | </varlistentry>
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[673b0d8] | 309 |
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[b8a819f] | 310 | <varlistentry id="line">
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| 311 | <term><command>line</command></term>
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[c6cb3aa] | 312 | <listitem>
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[673b0d8] | 313 | <indexterm zone="ch-system-util-linux line"><primary sortas="b-line">line</primary></indexterm>
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[c6cb3aa] | 314 | <para>copies a single line.</para>
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| 315 | </listitem>
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| 316 | </varlistentry>
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[673b0d8] | 317 |
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[b8a819f] | 318 | <varlistentry id="logger">
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| 319 | <term><command>logger</command></term>
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[c6cb3aa] | 320 | <listitem>
|
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[673b0d8] | 321 | <indexterm zone="ch-system-util-linux logger"><primary sortas="b-logger">logger</primary></indexterm>
|
---|
[c6cb3aa] | 322 | <para>enters the given message into the system log.</para>
|
---|
| 323 | </listitem>
|
---|
| 324 | </varlistentry>
|
---|
[673b0d8] | 325 |
|
---|
[b8a819f] | 326 | <varlistentry id="look">
|
---|
| 327 | <term><command>look</command></term>
|
---|
[c6cb3aa] | 328 | <listitem>
|
---|
[673b0d8] | 329 | <indexterm zone="ch-system-util-linux look"><primary sortas="b-look">look</primary></indexterm>
|
---|
[c6cb3aa] | 330 | <para>displays lines that begin with the given string.</para>
|
---|
| 331 | </listitem>
|
---|
| 332 | </varlistentry>
|
---|
[673b0d8] | 333 |
|
---|
[b8a819f] | 334 | <varlistentry id="losetup">
|
---|
| 335 | <term><command>losetup</command></term>
|
---|
[c6cb3aa] | 336 | <listitem>
|
---|
[673b0d8] | 337 | <indexterm zone="ch-system-util-linux losetup"><primary sortas="b-losetup">losetup</primary></indexterm>
|
---|
[c6cb3aa] | 338 | <para>is used to set up and control loop devices.</para>
|
---|
| 339 | </listitem>
|
---|
| 340 | </varlistentry>
|
---|
[673b0d8] | 341 |
|
---|
[b8a819f] | 342 | <varlistentry id="mcookie">
|
---|
| 343 | <term><command>mcookie</command></term>
|
---|
[c6cb3aa] | 344 | <listitem>
|
---|
[673b0d8] | 345 | <indexterm zone="ch-system-util-linux mcookie"><primary sortas="b-mcookie">mcookie</primary></indexterm>
|
---|
[c6cb3aa] | 346 | <para>generates magic cookies, 128-bit random hexadecimal numbers,
|
---|
| 347 | for xauth.</para>
|
---|
| 348 | </listitem>
|
---|
| 349 | </varlistentry>
|
---|
| 350 |
|
---|
[b8a819f] | 351 | <varlistentry id="mkfs">
|
---|
| 352 | <term><command>mkfs</command></term>
|
---|
[c6cb3aa] | 353 | <listitem>
|
---|
[673b0d8] | 354 | <indexterm zone="ch-system-util-linux mkfs"><primary sortas="b-mkfs">mkfs</primary></indexterm>
|
---|
[c6cb3aa] | 355 | <para>is used to build a file system on a device
|
---|
[673b0d8] | 356 | (usually a hard disk partition).</para>
|
---|
[c6cb3aa] | 357 | </listitem>
|
---|
| 358 | </varlistentry>
|
---|
[673b0d8] | 359 |
|
---|
[b8a819f] | 360 | <varlistentry id="mkfs.bfs">
|
---|
| 361 | <term><command>mkfs.bfs</command></term>
|
---|
[c6cb3aa] | 362 | <listitem>
|
---|
[673b0d8] | 363 | <indexterm zone="ch-system-util-linux mkfs.bfs"><primary sortas="b-mkfs.bfs">mkfs.bfs</primary></indexterm>
|
---|
[c6cb3aa] | 364 | <para>creates an SCO (Santa Cruz Operations) bfs file system.</para>
|
---|
| 365 | </listitem>
|
---|
| 366 | </varlistentry>
|
---|
[673b0d8] | 367 |
|
---|
[b8a819f] | 368 | <varlistentry id="mkfs.cramfs">
|
---|
| 369 | <term><command>mkfs.cramfs</command></term>
|
---|
[c6cb3aa] | 370 | <listitem>
|
---|
[673b0d8] | 371 | <indexterm zone="ch-system-util-linux mkfs.cramfs"><primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary></indexterm>
|
---|
[c6cb3aa] | 372 | <para>creates a cramfs file system.</para>
|
---|
| 373 | </listitem>
|
---|
| 374 | </varlistentry>
|
---|
[673b0d8] | 375 |
|
---|
[b8a819f] | 376 | <varlistentry id="mkfs.minix">
|
---|
| 377 | <term><command>mkfs.minix</command></term>
|
---|
[c6cb3aa] | 378 | <listitem>
|
---|
[673b0d8] | 379 | <indexterm zone="ch-system-util-linux mkfs.minix"><primary sortas="b-mkfs.minix">mkfs.minix</primary></indexterm>
|
---|
[c6cb3aa] | 380 | <para>creates a Minix file system.</para>
|
---|
| 381 | </listitem>
|
---|
| 382 | </varlistentry>
|
---|
[673b0d8] | 383 |
|
---|
[b8a819f] | 384 | <varlistentry id="mkswap">
|
---|
| 385 | <term><command>mkswap</command></term>
|
---|
[c6cb3aa] | 386 | <listitem>
|
---|
[673b0d8] | 387 | <indexterm zone="ch-system-util-linux mkswap"><primary sortas="b-mkswap">mkswap</primary></indexterm>
|
---|
[c6cb3aa] | 388 | <para>initializes the given device or file to be used as a swap area.</para>
|
---|
| 389 | </listitem>
|
---|
| 390 | </varlistentry>
|
---|
[673b0d8] | 391 |
|
---|
[b8a819f] | 392 | <varlistentry id="more">
|
---|
| 393 | <term><command>more</command></term>
|
---|
[c6cb3aa] | 394 | <listitem>
|
---|
[673b0d8] | 395 | <indexterm zone="ch-system-util-linux more"><primary sortas="b-more">more</primary></indexterm>
|
---|
[c6cb3aa] | 396 | <para>is a filter for paging through text one
|
---|
[673b0d8] | 397 | screen full at a time. But less is much better.</para>
|
---|
[c6cb3aa] | 398 | </listitem>
|
---|
| 399 | </varlistentry>
|
---|
[673b0d8] | 400 |
|
---|
[b8a819f] | 401 | <varlistentry id="mount">
|
---|
| 402 | <term><command>mount</command></term>
|
---|
[c6cb3aa] | 403 | <listitem>
|
---|
[673b0d8] | 404 | <indexterm zone="ch-system-util-linux mount"><primary sortas="b-mount">mount</primary></indexterm>
|
---|
[c6cb3aa] | 405 | <para>attaches the file system on the given device to a specified directory (thus
|
---|
| 406 | hiding the contents of that directory) in the file-system tree.</para>
|
---|
| 407 | </listitem>
|
---|
| 408 | </varlistentry>
|
---|
| 409 |
|
---|
[b8a819f] | 410 | <varlistentry id="namei">
|
---|
| 411 | <term><command>namei</command></term>
|
---|
[c6cb3aa] | 412 | <listitem>
|
---|
[673b0d8] | 413 | <indexterm zone="ch-system-util-linux namei"><primary sortas="b-namei">namei</primary></indexterm>
|
---|
[c6cb3aa] | 414 | <para>shows the symbolic links in the given pathnames.</para>
|
---|
| 415 | </listitem>
|
---|
| 416 | </varlistentry>
|
---|
[673b0d8] | 417 |
|
---|
[b8a819f] | 418 | <varlistentry id="pg">
|
---|
| 419 | <term><command>pg</command></term>
|
---|
[c6cb3aa] | 420 | <listitem>
|
---|
[673b0d8] | 421 | <indexterm zone="ch-system-util-linux pg"><primary sortas="b-pg">pg</primary></indexterm>
|
---|
[c6cb3aa] | 422 | <para>displays a text file one screen full at a time.</para>
|
---|
| 423 | </listitem>
|
---|
| 424 | </varlistentry>
|
---|
[673b0d8] | 425 |
|
---|
[b8a819f] | 426 | <varlistentry id="pivot_root">
|
---|
| 427 | <term><command>pivot_root</command></term>
|
---|
[c6cb3aa] | 428 | <listitem>
|
---|
[673b0d8] | 429 | <indexterm zone="ch-system-util-linux pivot_root"><primary sortas="b-pivot_root">pivot_root</primary></indexterm>
|
---|
[c6cb3aa] | 430 | <para>makes the given file system the new
|
---|
[673b0d8] | 431 | root file system of the current process.</para>
|
---|
[c6cb3aa] | 432 | </listitem>
|
---|
| 433 | </varlistentry>
|
---|
[673b0d8] | 434 |
|
---|
[b8a819f] | 435 | <varlistentry id="ramsize">
|
---|
| 436 | <term><command>ramsize</command></term>
|
---|
[c6cb3aa] | 437 | <listitem>
|
---|
[673b0d8] | 438 | <indexterm zone="ch-system-util-linux ramsize"><primary sortas="b-ramsize">ramsize</primary></indexterm>
|
---|
[c6cb3aa] | 439 | <para>is used to set the size of the RAM disk in a bootable image.</para>
|
---|
| 440 | </listitem>
|
---|
| 441 | </varlistentry>
|
---|
[673b0d8] | 442 |
|
---|
[b8a819f] | 443 | <varlistentry id="rdev">
|
---|
| 444 | <term><command>rdev</command></term>
|
---|
[c6cb3aa] | 445 | <listitem>
|
---|
[673b0d8] | 446 | <indexterm zone="ch-system-util-linux rdev"><primary sortas="b-rdev">rdev</primary></indexterm>
|
---|
[c6cb3aa] | 447 | <para>is used to query and set the root
|
---|
[673b0d8] | 448 | device and other things in a bootable image.</para>
|
---|
[c6cb3aa] | 449 | </listitem>
|
---|
| 450 | </varlistentry>
|
---|
[673b0d8] | 451 |
|
---|
[b8a819f] | 452 | <varlistentry id="readprofile">
|
---|
| 453 | <term><command>readprofile</command></term>
|
---|
[c6cb3aa] | 454 | <listitem>
|
---|
[673b0d8] | 455 | <indexterm zone="ch-system-util-linux readprofile"><primary sortas="b-readprofile">readprofile</primary></indexterm>
|
---|
[c6cb3aa] | 456 | <para>reads kernel profiling information.</para>
|
---|
| 457 | </listitem>
|
---|
| 458 | </varlistentry>
|
---|
[673b0d8] | 459 |
|
---|
[b8a819f] | 460 | <varlistentry id="rename">
|
---|
| 461 | <term><command>rename</command></term>
|
---|
[c6cb3aa] | 462 | <listitem>
|
---|
[673b0d8] | 463 | <indexterm zone="ch-system-util-linux rename"><primary sortas="b-rename">rename</primary></indexterm>
|
---|
[c6cb3aa] | 464 | <para>renames the given files, replacing a given string with another.</para>
|
---|
| 465 | </listitem>
|
---|
| 466 | </varlistentry>
|
---|
[673b0d8] | 467 |
|
---|
[b8a819f] | 468 | <varlistentry id="renice">
|
---|
| 469 | <term><command>renice</command></term>
|
---|
[c6cb3aa] | 470 | <listitem>
|
---|
[673b0d8] | 471 | <indexterm zone="ch-system-util-linux renice"><primary sortas="b-renice">renice</primary></indexterm>
|
---|
[c6cb3aa] | 472 | <para>is used to alter the priority of running processes.</para>
|
---|
| 473 | </listitem>
|
---|
| 474 | </varlistentry>
|
---|
[673b0d8] | 475 |
|
---|
[b8a819f] | 476 | <varlistentry id="rev">
|
---|
| 477 | <term><command>rev</command></term>
|
---|
[c6cb3aa] | 478 | <listitem>
|
---|
[673b0d8] | 479 | <indexterm zone="ch-system-util-linux rev"><primary sortas="b-rev">rev</primary></indexterm>
|
---|
[c6cb3aa] | 480 | <para>reverses the lines of a given file.</para>
|
---|
| 481 | </listitem>
|
---|
| 482 | </varlistentry>
|
---|
[673b0d8] | 483 |
|
---|
[b8a819f] | 484 | <varlistentry id="rootflags">
|
---|
| 485 | <term><command>rootflags</command></term>
|
---|
[c6cb3aa] | 486 | <listitem>
|
---|
[673b0d8] | 487 | <indexterm zone="ch-system-util-linux rootflags"><primary sortas="b-rootflags">rootflags</primary></indexterm>
|
---|
[c6cb3aa] | 488 | <para>is used to set the rootflags in a bootable image.</para>
|
---|
| 489 | </listitem>
|
---|
| 490 | </varlistentry>
|
---|
[673b0d8] | 491 |
|
---|
[b8a819f] | 492 | <varlistentry id="script">
|
---|
| 493 | <term><command>script</command></term>
|
---|
[c6cb3aa] | 494 | <listitem>
|
---|
[673b0d8] | 495 | <indexterm zone="ch-system-util-linux script"><primary sortas="b-script">script</primary></indexterm>
|
---|
[c6cb3aa] | 496 | <para>makes a typescript of a terminal session, of everything printed to
|
---|
| 497 | the terminal.</para>
|
---|
| 498 | </listitem>
|
---|
| 499 | </varlistentry>
|
---|
| 500 |
|
---|
[b8a819f] | 501 | <varlistentry id="setfdprm">
|
---|
| 502 | <term><command>setfdprm</command></term>
|
---|
[c6cb3aa] | 503 | <listitem>
|
---|
[673b0d8] | 504 | <indexterm zone="ch-system-util-linux setfdprm"><primary sortas="b-setfdprm">setfdprm</primary></indexterm>
|
---|
[c6cb3aa] | 505 | <para>sets user-provided floppy disk parameters.</para>
|
---|
| 506 | </listitem>
|
---|
| 507 | </varlistentry>
|
---|
[673b0d8] | 508 |
|
---|
[b8a819f] | 509 | <varlistentry id="setsid">
|
---|
| 510 | <term><command>setsid</command></term>
|
---|
[c6cb3aa] | 511 | <listitem>
|
---|
[673b0d8] | 512 | <indexterm zone="ch-system-util-linux setsid"><primary sortas="b-setsid">setsid</primary></indexterm>
|
---|
[c6cb3aa] | 513 | <para>runs the given program in a new session.</para>
|
---|
| 514 | </listitem>
|
---|
| 515 | </varlistentry>
|
---|
[673b0d8] | 516 |
|
---|
[b8a819f] | 517 | <varlistentry id="setterm">
|
---|
| 518 | <term><command>setterm</command></term>
|
---|
[c6cb3aa] | 519 | <listitem>
|
---|
[673b0d8] | 520 | <indexterm zone="ch-system-util-linux setterm"><primary sortas="b-setterm">setterm</primary></indexterm>
|
---|
[c6cb3aa] | 521 | <para>is used to set terminal attributes.</para>
|
---|
| 522 | </listitem>
|
---|
| 523 | </varlistentry>
|
---|
[673b0d8] | 524 |
|
---|
[b8a819f] | 525 | <varlistentry id="sfdisk">
|
---|
| 526 | <term><command>sfdisk</command></term>
|
---|
[c6cb3aa] | 527 | <listitem>
|
---|
[673b0d8] | 528 | <indexterm zone="ch-system-util-linux sfdisk"><primary sortas="b-sfdisk">sfdisk</primary></indexterm>
|
---|
[c6cb3aa] | 529 | <para>is a disk partition table manipulator.</para>
|
---|
| 530 | </listitem>
|
---|
| 531 | </varlistentry>
|
---|
[673b0d8] | 532 |
|
---|
[b8a819f] | 533 | <varlistentry id="swapdev">
|
---|
| 534 | <term><command>swapdev</command></term>
|
---|
[c6cb3aa] | 535 | <listitem>
|
---|
[673b0d8] | 536 | <indexterm zone="ch-system-util-linux swapdev"><primary sortas="b-swapdev">swapdev</primary></indexterm>
|
---|
[c6cb3aa] | 537 | <para>is used to set the swap device in a bootable image.</para>
|
---|
| 538 | </listitem>
|
---|
| 539 | </varlistentry>
|
---|
[673b0d8] | 540 |
|
---|
[b8a819f] | 541 | <varlistentry id="swapoff">
|
---|
| 542 | <term><command>swapoff</command></term>
|
---|
[c6cb3aa] | 543 | <listitem>
|
---|
[673b0d8] | 544 | <indexterm zone="ch-system-util-linux swapoff"><primary sortas="b-swapoff">swapoff</primary></indexterm>
|
---|
[c6cb3aa] | 545 | <para>disables devices and files for paging and swapping.</para>
|
---|
| 546 | </listitem>
|
---|
| 547 | </varlistentry>
|
---|
[673b0d8] | 548 |
|
---|
[b8a819f] | 549 | <varlistentry id="swapon">
|
---|
| 550 | <term><command>swapon</command></term>
|
---|
[c6cb3aa] | 551 | <listitem>
|
---|
[673b0d8] | 552 | <indexterm zone="ch-system-util-linux swapon"><primary sortas="b-swapon">swapon</primary></indexterm>
|
---|
[c6cb3aa] | 553 | <para>enables devices and files for paging and swapping.</para>
|
---|
| 554 | </listitem>
|
---|
| 555 | </varlistentry>
|
---|
[673b0d8] | 556 |
|
---|
[b8a819f] | 557 | <varlistentry id="tunelp">
|
---|
| 558 | <term><command>tunelp</command></term>
|
---|
[c6cb3aa] | 559 | <listitem>
|
---|
[673b0d8] | 560 | <indexterm zone="ch-system-util-linux tunelp"><primary sortas="b-tunelp">tunelp</primary></indexterm>
|
---|
[c6cb3aa] | 561 | <para>is used to tune the parameters of the line printer.</para>
|
---|
| 562 | </listitem>
|
---|
| 563 | </varlistentry>
|
---|
[673b0d8] | 564 |
|
---|
[b8a819f] | 565 | <varlistentry id="ul">
|
---|
| 566 | <term><command>ul</command></term>
|
---|
[c6cb3aa] | 567 | <listitem>
|
---|
[673b0d8] | 568 | <indexterm zone="ch-system-util-linux ul"><primary sortas="b-ul">ul</primary></indexterm>
|
---|
[c6cb3aa] | 569 | <para>is a filter for translating underscores into
|
---|
[673b0d8] | 570 | escape sequences indicating underlining for the terminal in use.</para>
|
---|
[c6cb3aa] | 571 | </listitem>
|
---|
| 572 | </varlistentry>
|
---|
[673b0d8] | 573 |
|
---|
[b8a819f] | 574 | <varlistentry id="umount">
|
---|
| 575 | <term><command>umount</command></term>
|
---|
[c6cb3aa] | 576 | <listitem>
|
---|
[673b0d8] | 577 | <indexterm zone="ch-system-util-linux umount"><primary sortas="b-umount">umount</primary></indexterm>
|
---|
[c6cb3aa] | 578 | <para>disconnects a file system from the system's file tree.</para>
|
---|
| 579 | </listitem>
|
---|
| 580 | </varlistentry>
|
---|
[673b0d8] | 581 |
|
---|
[b8a819f] | 582 | <varlistentry id="vidmode">
|
---|
| 583 | <term><command>vidmode</command></term>
|
---|
[c6cb3aa] | 584 | <listitem>
|
---|
[673b0d8] | 585 | <indexterm zone="ch-system-util-linux vidmode"><primary sortas="b-vidmode">vidmode</primary></indexterm>
|
---|
[c6cb3aa] | 586 | <para>could be used to set the video mode in a bootable image.</para>
|
---|
| 587 | </listitem>
|
---|
| 588 | </varlistentry>
|
---|
[673b0d8] | 589 |
|
---|
[b8a819f] | 590 | <varlistentry id="whereis">
|
---|
| 591 | <term><command>whereis</command></term>
|
---|
[c6cb3aa] | 592 | <listitem>
|
---|
[673b0d8] | 593 | <indexterm zone="ch-system-util-linux whereis"><primary sortas="b-whereis">whereis</primary></indexterm>
|
---|
[c6cb3aa] | 594 | <para>reports the location of binary, the
|
---|
[673b0d8] | 595 | source, and the manual page for the given command.</para>
|
---|
[c6cb3aa] | 596 | </listitem>
|
---|
| 597 | </varlistentry>
|
---|
[673b0d8] | 598 |
|
---|
[b8a819f] | 599 | <varlistentry id="write">
|
---|
| 600 | <term><command>write</command></term>
|
---|
[c6cb3aa] | 601 | <listitem>
|
---|
[673b0d8] | 602 | <indexterm zone="ch-system-util-linux write"><primary sortas="b-write">write</primary></indexterm>
|
---|
[c6cb3aa] | 603 | <para>sends a message to the given user,
|
---|
[673b0d8] | 604 | <emphasis>if</emphasis> that user has not disabled such messages.</para>
|
---|
[c6cb3aa] | 605 | </listitem>
|
---|
| 606 | </varlistentry>
|
---|
| 607 | </variablelist>
|
---|
[673b0d8] | 608 |
|
---|
| 609 | </sect2>
|
---|
| 610 |
|
---|
| 611 | </sect1>
|
---|