1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="ch-system-util-linux" role="wrap">
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9 | <?dbhtml filename="util-linux.html"?>
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10 |
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11 | <title>Util-linux-&util-linux-version;</title>
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12 |
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13 | <indexterm zone="ch-system-util-linux">
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14 | <primary sortas="a-Util-linux">Util-linux</primary>
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15 | </indexterm>
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16 |
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17 | <sect2 role="package">
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18 | <title/>
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19 |
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20 | <para>The Util-linux package contains miscellaneous utility programs.
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21 | Among them are utilities for handling file systems, consoles, partitions,
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22 | and messages.</para>
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23 |
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24 | </sect2>
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25 |
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26 | <sect2 id="fhs-util-linux" role="installation">
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27 | <title>FHS compliance notes</title>
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28 |
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29 | <para>The FHS recommends using the <filename
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30 | class="directory">/var/lib/hwclock</filename> directory instead of the
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31 | usual <filename class="directory">/etc</filename> directory as the
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32 | location for the <filename>adjtime</filename> file. To make the
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33 | <command>hwclock</command> program FHS-compliant, run the following:</para>
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34 |
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35 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
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36 | hwclock/hwclock.c
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37 | mkdir -pv /var/lib/hwclock</userinput></screen>
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38 |
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39 | </sect2>
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40 |
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41 | <sect2 role="installation">
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42 | <title>Installation of Util-linux</title>
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43 |
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44 | <para os="a">Prepare Util-linux for compilation:</para>
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45 |
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46 | <screen os="b"><userinput>./configure --enable-arch \
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47 | --enable-partx --enable-write --disable-wall</userinput></screen>
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48 |
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49 | <variablelist os="c">
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50 | <title>The meaning of the configure options:</title>
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51 |
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52 | <varlistentry>
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53 | <term><parameter>--enable-arch</parameter></term>
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54 | <listitem>
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55 | <para>This option allows the <command>arch</command> program to be
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56 | installed.</para>
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57 | </listitem>
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58 | </varlistentry>
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59 |
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60 | <varlistentry>
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61 | <term><parameter>--enable-partx</parameter></term>
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62 | <listitem>
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63 | <para>Enables building the <command>addpart</command>, <command>delpart</command>,
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64 | <command>partx</command> programs.</para>
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65 | </listitem>
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66 | </varlistentry>
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67 |
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68 | <varlistentry>
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69 | <term><parameter>--enable-write</parameter></term>
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70 | <listitem>
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71 | <para>This option allows the <command>write</command> program to be
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72 | installed.</para>
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73 | </listitem>
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74 | </varlistentry>
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75 |
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76 | <varlistentry>
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77 | <term><parameter>--disable-wall</parameter></term>
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78 | <listitem>
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79 | <para>Disables building the <command>wall</command> program,
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80 | as the Sysvinit package installs its own version.</para>
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81 | </listitem>
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82 | </varlistentry>
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83 |
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84 | </variablelist>
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85 |
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86 | <para os="d">Compile the package:</para>
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87 |
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88 | <screen os="e"><userinput>make</userinput></screen>
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89 |
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90 | <para os="f">This package does not come with a test suite.</para>
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91 |
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92 | <para os="g">Install the package:</para>
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93 |
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94 | <screen os="h"><userinput>make install</userinput></screen>
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95 |
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96 | </sect2>
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97 |
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98 | <sect2 id="contents-util-linux" role="content">
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99 | <title>Contents of Util-linux</title>
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100 |
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101 | <segmentedlist>
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102 | <segtitle>Installed programs</segtitle>
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103 | <segtitle>Installed libraries</segtitle>
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104 | <segtitle>Installed directories</segtitle>
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105 |
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106 | <seglistitem>
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107 | <seg>addpart, agetty, arch, blkid, blockdev, cal, cfdisk, chkdupexe,
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108 | chrt, col, colcrt, colrm, column, ctrlaltdel, cytune, ddate, delpart,
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109 | dmesg, fdformat, fdisk, findfs, flock, fsck, fsck.cramfs, fsck.minix,
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110 | getopt, hexdump, hwclock, ionice, ipcmk, ipcrm, ipcs, isosize,
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111 | ldattach, line, logger, look, losetup, lscpu, mcookie, mkfs, mkfs.bfs,
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112 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, partx, pg,
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113 | pivot_root, readprofile, rename, renice, rev, rtcwake, script,
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114 | scriptreplay, setarch, setsid, setterm, sfdisk, swapoff (link to
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115 | swapon), swapon, switch_root, tailf, taskset, tunelp, ul, umount,
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116 | uuidd, uuidgen, whereis, and write</seg>
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117 | <seg>libblkid.[a,so] and libuuid.[a,so]</seg>
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118 | <seg>/usr/include/blkid, /usr/include/uuid, /usr/share/getopt,
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119 | /var/lib/hwclock</seg>
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120 | </seglistitem>
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121 | </segmentedlist>
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122 |
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123 | <variablelist>
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124 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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125 | <?dbfo list-presentation="list"?>
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126 | <?dbhtml list-presentation="table"?>
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127 |
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128 | <varlistentry id="addpart">
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129 | <term><command>addpart</command></term>
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130 | <listitem>
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131 | <para>Informs the kernel of a new partition</para>
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132 | <indexterm zone="ch-system-util-linux addpart">
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133 | <primary sortas="b-addpart">addpart</primary>
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134 | </indexterm>
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135 | </listitem>
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136 | </varlistentry>
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137 |
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138 | <varlistentry id="agetty">
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139 | <term><command>agetty</command></term>
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140 | <listitem>
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141 | <para>Opens a tty port, prompts for a login name,
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142 | and then invokes the <command>login</command> program</para>
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143 | <indexterm zone="ch-system-util-linux agetty">
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144 | <primary sortas="b-agetty">agetty</primary>
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145 | </indexterm>
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146 | </listitem>
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147 | </varlistentry>
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148 |
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149 | <varlistentry id="arch">
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150 | <term><command>arch</command></term>
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151 | <listitem>
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152 | <para>Reports the machine's architecture</para>
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153 | <indexterm zone="ch-system-util-linux arch">
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154 | <primary sortas="b-arch">arch</primary>
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155 | </indexterm>
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156 | </listitem>
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157 | </varlistentry>
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158 |
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159 | <varlistentry id="blkid">
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160 | <term><command>blkid</command></term>
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161 | <listitem>
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162 | <para>A command line utility to locate and print block device
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163 | attributes</para>
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164 | <indexterm zone="ch-system-util-linux blkid">
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165 | <primary sortas="b-blkid">blkid</primary>
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166 | </indexterm>
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167 | </listitem>
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168 | </varlistentry>
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169 |
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170 | <varlistentry id="blockdev">
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171 | <term><command>blockdev</command></term>
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172 | <listitem>
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173 | <para>Allows users to call block device ioctls from the command
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174 | line</para>
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175 | <indexterm zone="ch-system-util-linux blockdev">
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176 | <primary sortas="b-blockdev">blockdev</primary>
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177 | </indexterm>
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178 | </listitem>
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179 | </varlistentry>
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180 |
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181 | <varlistentry id="cal">
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182 | <term><command>cal</command></term>
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183 | <listitem>
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184 | <para>Displays a simple calendar</para>
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185 | <indexterm zone="ch-system-util-linux cal">
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186 | <primary sortas="b-cal">cal</primary>
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187 | </indexterm>
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188 | </listitem>
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189 | </varlistentry>
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190 |
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191 | <varlistentry id="cfdisk">
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192 | <term><command>cfdisk</command></term>
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193 | <listitem>
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194 | <para>Manipulates the partition table of the given device</para>
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195 | <indexterm zone="ch-system-util-linux cfdisk">
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196 | <primary sortas="b-cfdisk">cfdisk</primary>
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197 | </indexterm>
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198 | </listitem>
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199 | </varlistentry>
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200 |
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201 | <varlistentry id="chkdupexe">
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202 | <term><command>chkdupexe</command></term>
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203 | <listitem>
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204 | <para>Finds duplicate executables</para>
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205 | <indexterm zone="ch-system-util-linux chkdupexe">
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206 | <primary sortas="b-chkdupexe">chkdupexe</primary>
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207 | </indexterm>
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208 | </listitem>
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209 | </varlistentry>
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210 |
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211 | <varlistentry id="chrt">
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212 | <term><command>chrt</command></term>
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213 | <listitem>
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214 | <para>Manipulates real-time attributes of a process</para>
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215 | <indexterm zone="ch-system-util-linux chrt">
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216 | <primary sortas="b-chrt">chrt</primary>
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217 | </indexterm>
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218 | </listitem>
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219 | </varlistentry>
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220 |
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221 | <varlistentry id="col">
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222 | <term><command>col</command></term>
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223 | <listitem>
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224 | <para>Filters out reverse line feeds</para>
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225 | <indexterm zone="ch-system-util-linux col">
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226 | <primary sortas="b-col">col</primary>
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227 | </indexterm>
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228 | </listitem>
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229 | </varlistentry>
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230 |
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231 | <varlistentry id="colcrt">
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232 | <term><command>colcrt</command></term>
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233 | <listitem>
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234 | <para>Filters <command>nroff</command> output for terminals
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235 | that lack some capabilities, such as overstriking and half-lines</para>
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236 | <indexterm zone="ch-system-util-linux colcrt">
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237 | <primary sortas="b-colcrt">colcrt</primary>
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238 | </indexterm>
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239 | </listitem>
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240 | </varlistentry>
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241 |
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242 | <varlistentry id="colrm">
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243 | <term><command>colrm</command></term>
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244 | <listitem>
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245 | <para>Filters out the given columns</para>
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246 | <indexterm zone="ch-system-util-linux colrm">
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247 | <primary sortas="b-colrm">colrm</primary>
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248 | </indexterm>
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249 | </listitem>
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250 | </varlistentry>
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251 |
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252 | <varlistentry id="column">
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253 | <term><command>column</command></term>
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254 | <listitem>
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255 | <para>Formats a given file into multiple columns</para>
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256 | <indexterm zone="ch-system-util-linux column">
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257 | <primary sortas="b-column">column</primary>
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258 | </indexterm>
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259 | </listitem>
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260 | </varlistentry>
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261 |
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262 | <varlistentry id="ctrlaltdel">
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263 | <term><command>ctrlaltdel</command></term>
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264 | <listitem>
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265 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
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266 | hard or a soft reset</para>
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267 | <indexterm zone="ch-system-util-linux ctrlaltdel">
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268 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
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269 | </indexterm>
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270 | </listitem>
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271 | </varlistentry>
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272 |
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273 | <varlistentry id="cytune">
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274 | <term><command>cytune</command></term>
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275 | <listitem>
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276 | <para>Tunes the parameters of the serial line drivers for
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277 | Cyclades cards</para>
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278 | <indexterm zone="ch-system-util-linux cytune">
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279 | <primary sortas="b-cytune">cytune</primary>
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280 | </indexterm>
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281 | </listitem>
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282 | </varlistentry>
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283 |
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284 | <varlistentry id="ddate">
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285 | <term><command>ddate</command></term>
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286 | <listitem>
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287 | <para>Gives the Discordian date or converts the given Gregorian date
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288 | to a Discordian one</para>
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289 | <indexterm zone="ch-system-util-linux ddate">
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290 | <primary sortas="b-ddate">ddate</primary>
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291 | </indexterm>
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292 | </listitem>
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293 | </varlistentry>
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294 |
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295 | <varlistentry id="delpart">
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296 | <term><command>delpart</command></term>
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297 | <listitem>
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298 | <para>Asks the kernel to remove a partition</para>
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299 | <indexterm zone="ch-system-util-linux delpart">
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300 | <primary sortas="b-delpart">delpart</primary>
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301 | </indexterm>
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302 | </listitem>
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303 | </varlistentry>
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304 |
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305 | <varlistentry id="dmesg">
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306 | <term><command>dmesg</command></term>
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307 | <listitem>
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308 | <para>Dumps the kernel boot messages</para>
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309 | <indexterm zone="ch-system-util-linux dmesg">
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310 | <primary sortas="b-dmesg">dmesg</primary>
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311 | </indexterm>
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312 | </listitem>
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313 | </varlistentry>
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314 |
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315 | <varlistentry id="fdformat">
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316 | <term><command>fdformat</command></term>
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317 | <listitem>
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318 | <para>Low-level formats a floppy disk</para>
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319 | <indexterm zone="ch-system-util-linux fdformat">
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320 | <primary sortas="b-fdformat">fdformat</primary>
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321 | </indexterm>
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322 | </listitem>
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323 | </varlistentry>
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324 |
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325 | <varlistentry id="fdisk">
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326 | <term><command>fdisk</command></term>
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327 | <listitem>
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328 | <para>Manipulates the partition table of the given device</para>
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329 | <indexterm zone="ch-system-util-linux fdisk">
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330 | <primary sortas="b-fdisk">fdisk</primary>
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331 | </indexterm>
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332 | </listitem>
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333 | </varlistentry>
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334 |
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335 | <varlistentry id="findfs">
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336 | <term><command>findfs</command></term>
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337 | <listitem>
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338 | <para>Finds a file system by label or Universally Unique Identifier
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339 | (UUID)</para>
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340 | <indexterm zone="ch-system-util-linux findfs">
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341 | <primary sortas="b-findfs">findfs</primary>
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342 | </indexterm>
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343 | </listitem>
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344 | </varlistentry>
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345 |
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346 | <varlistentry id="flock">
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347 | <term><command>flock</command></term>
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348 | <listitem>
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349 | <para>Acquires a file lock and then executes a command with the lock
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350 | held</para>
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351 | <indexterm zone="ch-system-util-linux flock">
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352 | <primary sortas="b-flock">flock</primary>
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353 | </indexterm>
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354 | </listitem>
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355 | </varlistentry>
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356 |
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357 | <varlistentry id="fsck">
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358 | <term><command>fsck</command></term>
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359 | <listitem>
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360 | <para>Is used to check, and optionally repair, file systems</para>
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361 | <indexterm zone="ch-system-util-linux fsck">
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362 | <primary sortas="b-fsck">fsck</primary>
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363 | </indexterm>
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364 | </listitem>
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365 | </varlistentry>
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366 |
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367 | <varlistentry id="fsck.cramfs">
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368 | <term><command>fsck.cramfs</command></term>
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369 | <listitem>
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370 | <para>Performs a consistency check on the Cramfs file system on the
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371 | given device</para>
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372 | <indexterm zone="ch-system-util-linux fsck.cramfs">
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373 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
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374 | </indexterm>
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375 | </listitem>
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376 | </varlistentry>
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377 |
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378 | <varlistentry id="fsck.minix">
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379 | <term><command>fsck.minix</command></term>
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380 | <listitem>
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381 | <para>Performs a consistency check on the Minix file system on the
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382 | given device</para>
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383 | <indexterm zone="ch-system-util-linux fsck.minix">
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384 | <primary sortas="b-fsck.minix">fsck.minix</primary>
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385 | </indexterm>
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386 | </listitem>
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387 | </varlistentry>
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388 |
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389 | <varlistentry id="getopt">
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390 | <term><command>getopt</command></term>
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391 | <listitem>
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392 | <para>Parses options in the given command line</para>
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393 | <indexterm zone="ch-system-util-linux getopt">
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394 | <primary sortas="b-getopt">getopt</primary>
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395 | </indexterm>
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396 | </listitem>
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397 | </varlistentry>
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398 |
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399 | <varlistentry id="hexdump">
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400 | <term><command>hexdump</command></term>
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401 | <listitem>
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402 | <para>Dumps the given file in hexadecimal or in another given
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403 | format</para>
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404 | <indexterm zone="ch-system-util-linux hexdump">
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405 | <primary sortas="b-hexdump">hexdump</primary>
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406 | </indexterm>
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407 | </listitem>
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408 | </varlistentry>
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409 |
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410 | <varlistentry id="hwclock">
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411 | <term><command>hwclock</command></term>
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412 | <listitem>
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413 | <para>Reads or sets the system's hardware clock, also called
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414 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
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415 | clock</para>
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416 | <indexterm zone="ch-system-util-linux hwclock">
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417 | <primary sortas="b-hwclock">hwclock</primary>
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418 | </indexterm>
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419 | </listitem>
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420 | </varlistentry>
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421 |
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422 | <varlistentry id="ionice">
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423 | <term><command>ionice</command></term>
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424 | <listitem>
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425 | <para>Gives and sets program I/O scheduling class and priority</para>
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426 | <indexterm zone="ch-system-util-linux ionice">
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427 | <primary sortas="b-ionice">ionice</primary>
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428 | </indexterm>
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429 | </listitem>
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430 | </varlistentry>
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431 |
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432 | <varlistentry id="ipcmk">
|
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433 | <term><command>ipcmk</command></term>
|
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434 | <listitem>
|
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435 | <para>Creates various IPC resources</para>
|
---|
436 | <indexterm zone="ch-system-util-linux ipcmk">
|
---|
437 | <primary sortas="b-ipcmk">ipcmk</primary>
|
---|
438 | </indexterm>
|
---|
439 | </listitem>
|
---|
440 | </varlistentry>
|
---|
441 |
|
---|
442 | <varlistentry id="ipcrm">
|
---|
443 | <term><command>ipcrm</command></term>
|
---|
444 | <listitem>
|
---|
445 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
|
---|
446 | <indexterm zone="ch-system-util-linux ipcrm">
|
---|
447 | <primary sortas="b-ipcrm">ipcrm</primary>
|
---|
448 | </indexterm>
|
---|
449 | </listitem>
|
---|
450 | </varlistentry>
|
---|
451 |
|
---|
452 | <varlistentry id="ipcs">
|
---|
453 | <term><command>ipcs</command></term>
|
---|
454 | <listitem>
|
---|
455 | <para>Provides IPC status information</para>
|
---|
456 | <indexterm zone="ch-system-util-linux ipcs">
|
---|
457 | <primary sortas="b-ipcs">ipcs</primary>
|
---|
458 | </indexterm>
|
---|
459 | </listitem>
|
---|
460 | </varlistentry>
|
---|
461 |
|
---|
462 | <varlistentry id="isosize">
|
---|
463 | <term><command>isosize</command></term>
|
---|
464 | <listitem>
|
---|
465 | <para>Reports the size of an iso9660 file system</para>
|
---|
466 | <indexterm zone="ch-system-util-linux isosize">
|
---|
467 | <primary sortas="b-isosize">isosize</primary>
|
---|
468 | </indexterm>
|
---|
469 | </listitem>
|
---|
470 | </varlistentry>
|
---|
471 |
|
---|
472 | <varlistentry id="ldattach">
|
---|
473 | <term><command>ldattach</command></term>
|
---|
474 | <listitem>
|
---|
475 | <para>Attaches a line discipline to a serial line</para>
|
---|
476 | <indexterm zone="ch-system-util-linux ldattach">
|
---|
477 | <primary sortas="b-ldattach">ldattach</primary>
|
---|
478 | </indexterm>
|
---|
479 | </listitem>
|
---|
480 | </varlistentry>
|
---|
481 |
|
---|
482 | <varlistentry id="line">
|
---|
483 | <term><command>line</command></term>
|
---|
484 | <listitem>
|
---|
485 | <para>Copies a single line</para>
|
---|
486 | <indexterm zone="ch-system-util-linux line">
|
---|
487 | <primary sortas="b-line">line</primary>
|
---|
488 | </indexterm>
|
---|
489 | </listitem>
|
---|
490 | </varlistentry>
|
---|
491 |
|
---|
492 | <varlistentry id="logger">
|
---|
493 | <term><command>logger</command></term>
|
---|
494 | <listitem>
|
---|
495 | <para>Enters the given message into the system log</para>
|
---|
496 | <indexterm zone="ch-system-util-linux logger">
|
---|
497 | <primary sortas="b-logger">logger</primary>
|
---|
498 | </indexterm>
|
---|
499 | </listitem>
|
---|
500 | </varlistentry>
|
---|
501 |
|
---|
502 | <varlistentry id="look">
|
---|
503 | <term><command>look</command></term>
|
---|
504 | <listitem>
|
---|
505 | <para>Displays lines that begin with the given string</para>
|
---|
506 | <indexterm zone="ch-system-util-linux look">
|
---|
507 | <primary sortas="b-look">look</primary>
|
---|
508 | </indexterm>
|
---|
509 | </listitem>
|
---|
510 | </varlistentry>
|
---|
511 |
|
---|
512 | <varlistentry id="losetup">
|
---|
513 | <term><command>losetup</command></term>
|
---|
514 | <listitem>
|
---|
515 | <para>Sets up and controls loop devices</para>
|
---|
516 | <indexterm zone="ch-system-util-linux losetup">
|
---|
517 | <primary sortas="b-losetup">losetup</primary>
|
---|
518 | </indexterm>
|
---|
519 | </listitem>
|
---|
520 | </varlistentry>
|
---|
521 |
|
---|
522 | <varlistentry id="lscpu">
|
---|
523 | <term><command>lscpu</command></term>
|
---|
524 | <listitem>
|
---|
525 | <para>Prints CPU architechture information</para>
|
---|
526 | <indexterm zone="ch-system-util-linux lscpu">
|
---|
527 | <primary sortas="b-lscpu">lscpu</primary>
|
---|
528 | </indexterm>
|
---|
529 | </listitem>
|
---|
530 | </varlistentry>
|
---|
531 |
|
---|
532 | <varlistentry id="mcookie">
|
---|
533 | <term><command>mcookie</command></term>
|
---|
534 | <listitem>
|
---|
535 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
---|
536 | <command>xauth</command></para>
|
---|
537 | <indexterm zone="ch-system-util-linux mcookie">
|
---|
538 | <primary sortas="b-mcookie">mcookie</primary>
|
---|
539 | </indexterm>
|
---|
540 | </listitem>
|
---|
541 | </varlistentry>
|
---|
542 |
|
---|
543 | <varlistentry id="mkfs">
|
---|
544 | <term><command>mkfs</command></term>
|
---|
545 | <listitem>
|
---|
546 | <para>Builds a file system on a device (usually a hard disk
|
---|
547 | partition)</para>
|
---|
548 | <indexterm zone="ch-system-util-linux mkfs">
|
---|
549 | <primary sortas="b-mkfs">mkfs</primary>
|
---|
550 | </indexterm>
|
---|
551 | </listitem>
|
---|
552 | </varlistentry>
|
---|
553 |
|
---|
554 | <varlistentry id="mkfs.bfs">
|
---|
555 | <term><command>mkfs.bfs</command></term>
|
---|
556 | <listitem>
|
---|
557 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
---|
558 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
---|
559 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
---|
560 | </indexterm>
|
---|
561 | </listitem>
|
---|
562 | </varlistentry>
|
---|
563 |
|
---|
564 | <varlistentry id="mkfs.cramfs">
|
---|
565 | <term><command>mkfs.cramfs</command></term>
|
---|
566 | <listitem>
|
---|
567 | <para>Creates a cramfs file system</para>
|
---|
568 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
---|
569 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
---|
570 | </indexterm>
|
---|
571 | </listitem>
|
---|
572 | </varlistentry>
|
---|
573 |
|
---|
574 | <varlistentry id="mkfs.minix">
|
---|
575 | <term><command>mkfs.minix</command></term>
|
---|
576 | <listitem>
|
---|
577 | <para>Creates a Minix file system</para>
|
---|
578 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
---|
579 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
---|
580 | </indexterm>
|
---|
581 | </listitem>
|
---|
582 | </varlistentry>
|
---|
583 |
|
---|
584 | <varlistentry id="mkswap">
|
---|
585 | <term><command>mkswap</command></term>
|
---|
586 | <listitem>
|
---|
587 | <para>Initializes the given device or file to be used as a swap
|
---|
588 | area</para>
|
---|
589 | <indexterm zone="ch-system-util-linux mkswap">
|
---|
590 | <primary sortas="b-mkswap">mkswap</primary>
|
---|
591 | </indexterm>
|
---|
592 | </listitem>
|
---|
593 | </varlistentry>
|
---|
594 |
|
---|
595 | <varlistentry id="more">
|
---|
596 | <term><command>more</command></term>
|
---|
597 | <listitem>
|
---|
598 | <para>A filter for paging through text one screen at a time</para>
|
---|
599 | <indexterm zone="ch-system-util-linux more">
|
---|
600 | <primary sortas="b-more">more</primary>
|
---|
601 | </indexterm>
|
---|
602 | </listitem>
|
---|
603 | </varlistentry>
|
---|
604 |
|
---|
605 | <varlistentry id="mount">
|
---|
606 | <term><command>mount</command></term>
|
---|
607 | <listitem>
|
---|
608 | <para>Attaches the file system on the given device to a specified
|
---|
609 | directory in the file-system tree</para>
|
---|
610 | <indexterm zone="ch-system-util-linux mount">
|
---|
611 | <primary sortas="b-mount">mount</primary>
|
---|
612 | </indexterm>
|
---|
613 | </listitem>
|
---|
614 | </varlistentry>
|
---|
615 |
|
---|
616 | <varlistentry id="namei">
|
---|
617 | <term><command>namei</command></term>
|
---|
618 | <listitem>
|
---|
619 | <para>Shows the symbolic links in the given pathnames</para>
|
---|
620 | <indexterm zone="ch-system-util-linux namei">
|
---|
621 | <primary sortas="b-namei">namei</primary>
|
---|
622 | </indexterm>
|
---|
623 | </listitem>
|
---|
624 | </varlistentry>
|
---|
625 |
|
---|
626 | <varlistentry id="partx">
|
---|
627 | <term><command>partx</command></term>
|
---|
628 | <listitem>
|
---|
629 | <para>Tells the kernel about the presence and numbering of on-disk
|
---|
630 | partitions</para>
|
---|
631 | <indexterm zone="ch-system-util-linux partx">
|
---|
632 | <primary sortas="b-partx">partx</primary>
|
---|
633 | </indexterm>
|
---|
634 | </listitem>
|
---|
635 | </varlistentry>
|
---|
636 |
|
---|
637 | <varlistentry id="pg">
|
---|
638 | <term><command>pg</command></term>
|
---|
639 | <listitem>
|
---|
640 | <para>Displays a text file one screen full at a time</para>
|
---|
641 | <indexterm zone="ch-system-util-linux pg">
|
---|
642 | <primary sortas="b-pg">pg</primary>
|
---|
643 | </indexterm>
|
---|
644 | </listitem>
|
---|
645 | </varlistentry>
|
---|
646 |
|
---|
647 | <varlistentry id="pivot_root">
|
---|
648 | <term><command>pivot_root</command></term>
|
---|
649 | <listitem>
|
---|
650 | <para>Makes the given file system the new root file system of the
|
---|
651 | current process</para>
|
---|
652 | <indexterm zone="ch-system-util-linux pivot_root">
|
---|
653 | <primary sortas="b-pivot_root">pivot_root</primary>
|
---|
654 | </indexterm>
|
---|
655 | </listitem>
|
---|
656 | </varlistentry>
|
---|
657 |
|
---|
658 | <varlistentry id="readprofile">
|
---|
659 | <term><command>readprofile</command></term>
|
---|
660 | <listitem>
|
---|
661 | <para>Reads kernel profiling information</para>
|
---|
662 | <indexterm zone="ch-system-util-linux readprofile">
|
---|
663 | <primary sortas="b-readprofile">readprofile</primary>
|
---|
664 | </indexterm>
|
---|
665 | </listitem>
|
---|
666 | </varlistentry>
|
---|
667 |
|
---|
668 | <varlistentry id="rename">
|
---|
669 | <term><command>rename</command></term>
|
---|
670 | <listitem>
|
---|
671 | <para>Renames the given files, replacing a given string with
|
---|
672 | another</para>
|
---|
673 | <indexterm zone="ch-system-util-linux rename">
|
---|
674 | <primary sortas="b-rename">rename</primary>
|
---|
675 | </indexterm>
|
---|
676 | </listitem>
|
---|
677 | </varlistentry>
|
---|
678 |
|
---|
679 | <varlistentry id="renice">
|
---|
680 | <term><command>renice</command></term>
|
---|
681 | <listitem>
|
---|
682 | <para>Alters the priority of running processes</para>
|
---|
683 | <indexterm zone="ch-system-util-linux renice">
|
---|
684 | <primary sortas="b-renice">renice</primary>
|
---|
685 | </indexterm>
|
---|
686 | </listitem>
|
---|
687 | </varlistentry>
|
---|
688 |
|
---|
689 | <varlistentry id="rev">
|
---|
690 | <term><command>rev</command></term>
|
---|
691 | <listitem>
|
---|
692 | <para>Reverses the lines of a given file</para>
|
---|
693 | <indexterm zone="ch-system-util-linux rev">
|
---|
694 | <primary sortas="b-rev">rev</primary>
|
---|
695 | </indexterm>
|
---|
696 | </listitem>
|
---|
697 | </varlistentry>
|
---|
698 |
|
---|
699 | <varlistentry id="rtcwake">
|
---|
700 | <term><command>rtcwake</command></term>
|
---|
701 | <listitem>
|
---|
702 | <para>Enters a system sleep state until a specified wakeup time</para>
|
---|
703 | <indexterm zone="ch-system-util-linux rtcwake">
|
---|
704 | <primary sortas="b-rtcwake">rtcwake</primary>
|
---|
705 | </indexterm>
|
---|
706 | </listitem>
|
---|
707 | </varlistentry>
|
---|
708 |
|
---|
709 | <varlistentry id="script">
|
---|
710 | <term><command>script</command></term>
|
---|
711 | <listitem>
|
---|
712 | <para>Makes a typescript of a terminal session</para>
|
---|
713 | <indexterm zone="ch-system-util-linux script">
|
---|
714 | <primary sortas="b-script">script</primary>
|
---|
715 | </indexterm>
|
---|
716 | </listitem>
|
---|
717 | </varlistentry>
|
---|
718 |
|
---|
719 | <varlistentry id="scriptreplay">
|
---|
720 | <term><command>scriptreplay</command></term>
|
---|
721 | <listitem>
|
---|
722 | <para>Plays back typescripts created by <command>script</command></para>
|
---|
723 | <indexterm zone="ch-system-util-linux scriptreplay">
|
---|
724 | <primary sortas="b-scriptreplay">scriptreplay</primary>
|
---|
725 | </indexterm>
|
---|
726 | </listitem>
|
---|
727 | </varlistentry>
|
---|
728 |
|
---|
729 | <varlistentry id="setarch">
|
---|
730 | <term><command>setarch</command></term>
|
---|
731 | <listitem>
|
---|
732 | <para>Changes reported architecture in new program environment and
|
---|
733 | sets personality flags</para>
|
---|
734 | <indexterm zone="ch-system-util-linux setarch">
|
---|
735 | <primary sortas="b-setarch">setarch</primary>
|
---|
736 | </indexterm>
|
---|
737 | </listitem>
|
---|
738 | </varlistentry>
|
---|
739 |
|
---|
740 | <varlistentry id="setsid">
|
---|
741 | <term><command>setsid</command></term>
|
---|
742 | <listitem>
|
---|
743 | <para>Runs the given program in a new session</para>
|
---|
744 | <indexterm zone="ch-system-util-linux setsid">
|
---|
745 | <primary sortas="b-setsid">setsid</primary>
|
---|
746 | </indexterm>
|
---|
747 | </listitem>
|
---|
748 | </varlistentry>
|
---|
749 |
|
---|
750 | <varlistentry id="setterm">
|
---|
751 | <term><command>setterm</command></term>
|
---|
752 | <listitem>
|
---|
753 | <para>Sets terminal attributes</para>
|
---|
754 | <indexterm zone="ch-system-util-linux setterm">
|
---|
755 | <primary sortas="b-setterm">setterm</primary>
|
---|
756 | </indexterm>
|
---|
757 | </listitem>
|
---|
758 | </varlistentry>
|
---|
759 |
|
---|
760 | <varlistentry id="sfdisk">
|
---|
761 | <term><command>sfdisk</command></term>
|
---|
762 | <listitem>
|
---|
763 | <para>A disk partition table manipulator</para>
|
---|
764 | <indexterm zone="ch-system-util-linux sfdisk">
|
---|
765 | <primary sortas="b-sfdisk">sfdisk</primary>
|
---|
766 | </indexterm>
|
---|
767 | </listitem>
|
---|
768 | </varlistentry>
|
---|
769 |
|
---|
770 | <varlistentry id="swapoff">
|
---|
771 | <term><command>swapoff</command></term>
|
---|
772 | <listitem>
|
---|
773 | <para>Disables devices and files for paging and swapping</para>
|
---|
774 | <indexterm zone="ch-system-util-linux swapoff">
|
---|
775 | <primary sortas="b-swapoff">swapoff</primary>
|
---|
776 | </indexterm>
|
---|
777 | </listitem>
|
---|
778 | </varlistentry>
|
---|
779 |
|
---|
780 | <varlistentry id="swapon">
|
---|
781 | <term><command>swapon</command></term>
|
---|
782 | <listitem>
|
---|
783 | <para>Enables devices and files for paging and swapping and
|
---|
784 | lists the devices and files currently in use</para>
|
---|
785 | <indexterm zone="ch-system-util-linux swapon">
|
---|
786 | <primary sortas="b-swapon">swapon</primary>
|
---|
787 | </indexterm>
|
---|
788 | </listitem>
|
---|
789 | </varlistentry>
|
---|
790 |
|
---|
791 | <varlistentry id="switch_root">
|
---|
792 | <term><command>switch_root</command></term>
|
---|
793 | <listitem>
|
---|
794 | <para>Switches to another filesystem as the root of the mount tree</para>
|
---|
795 | <indexterm zone="ch-system-util-linux switch_root">
|
---|
796 | <primary sortas="b-switch_root">switch_root</primary>
|
---|
797 | </indexterm>
|
---|
798 | </listitem>
|
---|
799 | </varlistentry>
|
---|
800 |
|
---|
801 | <varlistentry id="tailf">
|
---|
802 | <term><command>tailf</command></term>
|
---|
803 | <listitem>
|
---|
804 | <para>Tracks the growth of a log file. Displays the last 10 lines
|
---|
805 | of a log file, then continues displaying any new entries in the
|
---|
806 | log file as they are created</para>
|
---|
807 | <indexterm zone="ch-system-util-linux tailf">
|
---|
808 | <primary sortas="b-tailf">tailf</primary>
|
---|
809 | </indexterm>
|
---|
810 | </listitem>
|
---|
811 | </varlistentry>
|
---|
812 |
|
---|
813 | <varlistentry id="taskset">
|
---|
814 | <term><command>taskset</command></term>
|
---|
815 | <listitem>
|
---|
816 | <para>Retrieves or sets a process's CPU affinity</para>
|
---|
817 | <indexterm zone="ch-system-util-linux taskset">
|
---|
818 | <primary sortas="b-taskset">taskset</primary>
|
---|
819 | </indexterm>
|
---|
820 | </listitem>
|
---|
821 | </varlistentry>
|
---|
822 |
|
---|
823 | <varlistentry id="tunelp">
|
---|
824 | <term><command>tunelp</command></term>
|
---|
825 | <listitem>
|
---|
826 | <para>Tunes the parameters of the line printer</para>
|
---|
827 | <indexterm zone="ch-system-util-linux tunelp">
|
---|
828 | <primary sortas="b-tunelp">tunelp</primary>
|
---|
829 | </indexterm>
|
---|
830 | </listitem>
|
---|
831 | </varlistentry>
|
---|
832 |
|
---|
833 | <varlistentry id="ul">
|
---|
834 | <term><command>ul</command></term>
|
---|
835 | <listitem>
|
---|
836 | <para>A filter for translating underscores into escape sequences
|
---|
837 | indicating underlining for the terminal in use</para>
|
---|
838 | <indexterm zone="ch-system-util-linux ul">
|
---|
839 | <primary sortas="b-ul">ul</primary>
|
---|
840 | </indexterm>
|
---|
841 | </listitem>
|
---|
842 | </varlistentry>
|
---|
843 |
|
---|
844 | <varlistentry id="umount">
|
---|
845 | <term><command>umount</command></term>
|
---|
846 | <listitem>
|
---|
847 | <para>Disconnects a file system from the system's file tree</para>
|
---|
848 | <indexterm zone="ch-system-util-linux umount">
|
---|
849 | <primary sortas="b-umount">umount</primary>
|
---|
850 | </indexterm>
|
---|
851 | </listitem>
|
---|
852 | </varlistentry>
|
---|
853 |
|
---|
854 | <varlistentry id="uuidd">
|
---|
855 | <term><command>uuidd</command></term>
|
---|
856 | <listitem>
|
---|
857 | <para>A daemon used by the UUID library to generate time-based
|
---|
858 | UUIDs in a secure and guranteed-unique fashion.</para>
|
---|
859 | <indexterm zone="ch-system-util-linux uuidd">
|
---|
860 | <primary sortas="b-uuidd">uuidd</primary>
|
---|
861 | </indexterm>
|
---|
862 | </listitem>
|
---|
863 | </varlistentry>
|
---|
864 |
|
---|
865 | <varlistentry id="uuidgen">
|
---|
866 | <term><command>uuidgen</command></term>
|
---|
867 | <listitem>
|
---|
868 | <para>Creates new UUIDs. Each new UUID can reasonably be considered
|
---|
869 | unique among all UUIDs created, on the local system and on other
|
---|
870 | systems, in the past and in the future</para>
|
---|
871 | <indexterm zone="ch-system-util-linux uuidgen">
|
---|
872 | <primary sortas="b-uuidgen">uuidgen</primary>
|
---|
873 | </indexterm>
|
---|
874 | </listitem>
|
---|
875 | </varlistentry>
|
---|
876 |
|
---|
877 | <varlistentry id="whereis">
|
---|
878 | <term><command>whereis</command></term>
|
---|
879 | <listitem>
|
---|
880 | <para>Reports the location of the binary, source, and man page
|
---|
881 | for the given command</para>
|
---|
882 | <indexterm zone="ch-system-util-linux whereis">
|
---|
883 | <primary sortas="b-whereis">whereis</primary>
|
---|
884 | </indexterm>
|
---|
885 | </listitem>
|
---|
886 | </varlistentry>
|
---|
887 |
|
---|
888 | <varlistentry id="write">
|
---|
889 | <term><command>write</command></term>
|
---|
890 | <listitem>
|
---|
891 | <para>Sends a message to the given user <emphasis>if</emphasis> that
|
---|
892 | user has not disabled receipt of such messages</para>
|
---|
893 | <indexterm zone="ch-system-util-linux write">
|
---|
894 | <primary sortas="b-write">write</primary>
|
---|
895 | </indexterm>
|
---|
896 | </listitem>
|
---|
897 | </varlistentry>
|
---|
898 |
|
---|
899 | <varlistentry id="libblkid">
|
---|
900 | <term><filename class="libraryfile">libblkid</filename></term>
|
---|
901 | <listitem>
|
---|
902 | <para>Contains routines for device identification and token
|
---|
903 | extraction</para>
|
---|
904 | <indexterm zone="ch-system-util-linux libblkid">
|
---|
905 | <primary sortas="c-libblkid">libblkid</primary>
|
---|
906 | </indexterm>
|
---|
907 | </listitem>
|
---|
908 | </varlistentry>
|
---|
909 |
|
---|
910 | <varlistentry id="libuuid">
|
---|
911 | <term><filename class="libraryfile">libuuid</filename></term>
|
---|
912 | <listitem>
|
---|
913 | <para>Contains routines for generating unique identifiers for objects
|
---|
914 | that may be accessible beyond the local system</para>
|
---|
915 | <indexterm zone="ch-system-util-linux libuuid">
|
---|
916 | <primary sortas="c-libuuid">libuuid</primary>
|
---|
917 | </indexterm>
|
---|
918 | </listitem>
|
---|
919 | </varlistentry>
|
---|
920 |
|
---|
921 | </variablelist>
|
---|
922 |
|
---|
923 | </sect2>
|
---|
924 |
|
---|
925 | </sect1>
|
---|