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 | <sect1info condition="script">
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12 | <productname>util-linux</productname>
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13 | <productnumber>&util-linux-version;</productnumber>
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14 | <address>&util-linux-url;</address>
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15 | </sect1info>
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16 |
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17 | <title>Util-linux-&util-linux-version;</title>
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18 |
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19 | <indexterm zone="ch-system-util-linux">
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20 | <primary sortas="a-Util-linux">Util-linux</primary>
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21 | </indexterm>
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22 |
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23 | <sect2 role="package">
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24 | <title/>
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25 |
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26 | <para>The Util-linux package contains miscellaneous utility programs.
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27 | Among them are utilities for handling file systems, consoles, partitions,
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28 | and messages.</para>
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29 |
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30 | <segmentedlist>
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31 | <segtitle>&buildtime;</segtitle>
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32 | <segtitle>&diskspace;</segtitle>
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33 |
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34 | <seglistitem>
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35 | <seg>&util-linux-ch6-sbu;</seg>
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36 | <seg>&util-linux-ch6-du;</seg>
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37 | </seglistitem>
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38 | </segmentedlist>
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39 |
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40 | </sect2>
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41 |
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42 | <sect2 role="installation">
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43 | <title>FHS compliance notes</title>
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44 |
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45 | <para>The FHS recommends using the <filename
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46 | class="directory">/var/lib/hwclock</filename> directory instead of the
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47 | usual <filename class="directory">/etc</filename> directory as the
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48 | location for the <filename>adjtime</filename> file. First create a directory
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49 | to enable storage for the <command>hwclock</command> program:</para>
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50 |
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51 | <screen><userinput remap="pre">mkdir -pv /var/lib/hwclock</userinput></screen>
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52 |
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53 | </sect2>
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54 |
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55 | <sect2 role="installation">
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56 | <title>Installation of Util-linux</title>
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57 | <!--
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58 | <para>First, fix one of the regression tests:</para>
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59 |
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60 | <screen><userinput remap="pre">sed -e 's/2^64/(2^64/' -e 's/E </E) <=/' -e 's/ne /eq /' \
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61 | -i tests/ts/ipcs/limits2</userinput></screen>
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62 | -->
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63 | <para revision="systemd">Remove the earlier created symlinks:</para>
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64 |
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65 | <screen revision="systemd"><userinput remap="pre">rm -vf /usr/include/{blkid,libmount,uuid}</userinput></screen>
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66 |
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67 | <para>Prepare Util-linux for compilation:</para>
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68 |
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69 | <screen revision="sysv"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
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70 | --docdir=/usr/share/doc/util-linux-&util-linux-version; \
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71 | --disable-chfn-chsh \
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72 | --disable-login \
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73 | --disable-nologin \
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74 | --disable-su \
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75 | --disable-setpriv \
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76 | --disable-runuser \
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77 | --disable-pylibmount \
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78 | --disable-static \
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79 | --without-python \
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80 | --without-systemd \
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81 | --without-systemdsystemunitdir</userinput></screen>
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82 |
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83 | <screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
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84 | --docdir=/usr/share/doc/util-linux-&util-linux-version; \
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85 | --disable-chfn-chsh \
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86 | --disable-login \
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87 | --disable-nologin \
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88 | --disable-su \
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89 | --disable-setpriv \
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90 | --disable-runuser \
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91 | --disable-pylibmount \
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92 | --disable-static \
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93 | --without-python</userinput></screen>
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94 |
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95 | <para>The --disable and --without options prevent warnings about
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96 | building components that require packages not in LFS or are
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97 | inconsistent with programs installed by other packages.</para>
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98 |
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99 | <para>Compile the package:</para>
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100 |
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101 | <screen><userinput remap="make">make</userinput></screen>
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102 |
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103 | <para>If desired, run the test suite as a non-root user:</para>
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104 |
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105 | <warning><para>Running the test suite as the root user can be harmful to
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106 | your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
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107 | be available in the currently running system, and must be built as a
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108 | module. Building it into the kernel will prevent booting. For complete
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109 | coverage, other BLFS packages must be installed. If desired, this test can
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110 | be run after rebooting into the completed LFS system and running:</para>
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111 |
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112 | <screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
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113 | </warning>
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114 |
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115 | <screen><userinput remap="test">chown -Rv nobody .
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116 | su nobody -s /bin/bash -c "PATH=$PATH make -k check"</userinput></screen>
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117 |
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118 | <para>Install the package:</para>
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119 |
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120 | <screen><userinput remap="install">make install</userinput></screen>
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121 |
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122 | </sect2>
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123 |
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124 | <sect2 id="contents-utillinux" role="content">
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125 | <title>Contents of Util-linux</title>
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126 |
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127 | <segmentedlist>
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128 | <segtitle>Installed programs</segtitle>
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129 | <segtitle>Installed libraries</segtitle>
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130 | <segtitle>Installed directories</segtitle>
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131 |
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132 | <seglistitem>
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133 | <seg>addpart, agetty, blkdiscard, blkid, blockdev, cal, cfdisk, chcpu,
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134 | chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
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135 | eject, fallocate, fdformat, fdisk, findfs, findmnt, flock, fsck,
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136 | fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock,
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137 | i386, ionice, ipcmk, ipcrm, ipcs, isosize, kill, last, lastb (link to
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138 | last), ldattach, linux32, linux64, logger, look, losetup, lsblk, lscpu,
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139 | lsipc, lslocks, lslogins, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
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140 | more, mount, mountpoint, namei, nsenter, partx, pg, pivot_root, prlimit, raw,
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141 | readprofile, rename, renice, resizepart, rev, rtcwake, script,
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142 | scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
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143 | swapoff (link to swapon), swapon, switch_root, tailf, taskset, ul,
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144 | umount, uname26, unshare, utmpdump, uuidd, uuidgen, wall, wdctl, whereis,
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145 | wipefs, x86_64, and zramctl</seg>
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146 | <seg>libblkid.so, libfdisk.so, libmount.so,
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147 | libsmartcols.so, and libuuid.so</seg>
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148 | <seg>/usr/include/blkid,
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149 | /usr/include/libfdisk,
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150 | /usr/include/libmount,
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151 | /usr/include/libsmartcols,
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152 | /usr/include/uuid,
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153 | /usr/share/doc/util-linux-&util-linux-version;,
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154 | and /var/lib/hwclock</seg>
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155 | </seglistitem>
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156 | </segmentedlist>
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157 |
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158 | <variablelist>
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159 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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160 | <?dbfo list-presentation="list"?>
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161 | <?dbhtml list-presentation="table"?>
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162 |
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163 | <varlistentry id="addpart">
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164 | <term><command>addpart</command></term>
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165 | <listitem>
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166 | <para>Informs the Linux kernel of new partitions</para>
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167 | <indexterm zone="ch-system-util-linux addpart">
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168 | <primary sortas="b-addpart">addpart</primary>
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169 | </indexterm>
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170 | </listitem>
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171 | </varlistentry>
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172 |
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173 | <varlistentry id="agetty">
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174 | <term><command>agetty</command></term>
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175 | <listitem>
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176 | <para>Opens a tty port, prompts for a login name,
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177 | and then invokes the <command>login</command> program</para>
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178 | <indexterm zone="ch-system-util-linux agetty">
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179 | <primary sortas="b-agetty">agetty</primary>
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180 | </indexterm>
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181 | </listitem>
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182 | </varlistentry>
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183 |
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184 | <varlistentry id="blkdiscard">
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185 | <term><command>blkdiscard</command></term>
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186 | <listitem>
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187 | <para>Discards sectors on a device</para>
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188 | <indexterm zone="ch-system-util-linux blkdiscard">
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189 | <primary sortas="b-blkdiscard">blkdiscard</primary>
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190 | </indexterm>
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191 | </listitem>
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192 | </varlistentry>
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193 |
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194 | <varlistentry id="blkid">
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195 | <term><command>blkid</command></term>
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196 | <listitem>
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197 | <para>A command line utility to locate and print block device
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198 | attributes</para>
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199 | <indexterm zone="ch-system-util-linux blkid">
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200 | <primary sortas="b-blkid">blkid</primary>
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201 | </indexterm>
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202 | </listitem>
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203 | </varlistentry>
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204 |
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205 | <varlistentry id="blockdev">
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206 | <term><command>blockdev</command></term>
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207 | <listitem>
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208 | <para>Allows users to call block device ioctls from the command
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209 | line</para>
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210 | <indexterm zone="ch-system-util-linux blockdev">
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211 | <primary sortas="b-blockdev">blockdev</primary>
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212 | </indexterm>
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213 | </listitem>
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214 | </varlistentry>
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215 |
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216 | <varlistentry id="cal">
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217 | <term><command>cal</command></term>
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218 | <listitem>
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219 | <para>Displays a simple calendar</para>
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220 | <indexterm zone="ch-system-util-linux cal">
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221 | <primary sortas="b-cal">cal</primary>
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222 | </indexterm>
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223 | </listitem>
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224 | </varlistentry>
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225 |
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226 | <varlistentry id="cfdisk">
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227 | <term><command>cfdisk</command></term>
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228 | <listitem>
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229 | <para>Manipulates the partition table of the given device</para>
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230 | <indexterm zone="ch-system-util-linux cfdisk">
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231 | <primary sortas="b-cfdisk">cfdisk</primary>
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232 | </indexterm>
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233 | </listitem>
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234 | </varlistentry>
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235 |
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236 | <varlistentry id="chcpu">
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237 | <term><command>chcpu</command></term>
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238 | <listitem>
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239 | <para>Modifies the state of CPUs</para>
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240 | <indexterm zone="ch-system-util-linux chcpu">
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241 | <primary sortas="b-chcpu">chcpu</primary>
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242 | </indexterm>
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243 | </listitem>
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244 | </varlistentry>
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245 |
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246 | <varlistentry id="chrt">
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247 | <term><command>chrt</command></term>
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248 | <listitem>
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249 | <para>Manipulates real-time attributes of a process</para>
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250 | <indexterm zone="ch-system-util-linux chrt">
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251 | <primary sortas="b-chrt">chrt</primary>
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252 | </indexterm>
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253 | </listitem>
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254 | </varlistentry>
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255 |
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256 | <varlistentry id="col">
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257 | <term><command>col</command></term>
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258 | <listitem>
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259 | <para>Filters out reverse line feeds</para>
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260 | <indexterm zone="ch-system-util-linux col">
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261 | <primary sortas="b-col">col</primary>
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262 | </indexterm>
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263 | </listitem>
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264 | </varlistentry>
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265 |
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266 | <varlistentry id="colcrt">
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267 | <term><command>colcrt</command></term>
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268 | <listitem>
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269 | <para>Filters <command>nroff</command> output for terminals
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270 | that lack some capabilities, such as overstriking and half-lines</para>
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271 | <indexterm zone="ch-system-util-linux colcrt">
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272 | <primary sortas="b-colcrt">colcrt</primary>
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273 | </indexterm>
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274 | </listitem>
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275 | </varlistentry>
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276 |
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277 | <varlistentry id="colrm">
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278 | <term><command>colrm</command></term>
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279 | <listitem>
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280 | <para>Filters out the given columns</para>
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281 | <indexterm zone="ch-system-util-linux colrm">
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282 | <primary sortas="b-colrm">colrm</primary>
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283 | </indexterm>
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284 | </listitem>
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285 | </varlistentry>
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286 |
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287 | <varlistentry id="column">
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288 | <term><command>column</command></term>
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289 | <listitem>
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290 | <para>Formats a given file into multiple columns</para>
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291 | <indexterm zone="ch-system-util-linux column">
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292 | <primary sortas="b-column">column</primary>
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293 | </indexterm>
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294 | </listitem>
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295 | </varlistentry>
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296 |
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297 | <varlistentry id="ctrlaltdel">
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298 | <term><command>ctrlaltdel</command></term>
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299 | <listitem>
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300 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
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301 | hard or a soft reset</para>
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302 | <indexterm zone="ch-system-util-linux ctrlaltdel">
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303 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
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304 | </indexterm>
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305 | </listitem>
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306 | </varlistentry>
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307 |
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308 | <varlistentry id="delpart">
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309 | <term><command>delpart</command></term>
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310 | <listitem>
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311 | <para>Asks the Linux kernel to remove a partition</para>
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312 | <indexterm zone="ch-system-util-linux delpart">
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313 | <primary sortas="b-delpart">delpart</primary>
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314 | </indexterm>
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315 | </listitem>
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316 | </varlistentry>
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317 |
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318 | <varlistentry id="dmesg">
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319 | <term><command>dmesg</command></term>
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320 | <listitem>
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321 | <para>Dumps the kernel boot messages</para>
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322 | <indexterm zone="ch-system-util-linux dmesg">
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323 | <primary sortas="b-dmesg">dmesg</primary>
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324 | </indexterm>
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325 | </listitem>
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326 | </varlistentry>
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327 |
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328 | <varlistentry id="eject">
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329 | <term><command>eject</command></term>
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330 | <listitem>
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331 | <para>Ejects removable media</para>
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332 | <indexterm zone="ch-system-util-linux eject">
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333 | <primary sortas="b-eject">eject</primary>
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334 | </indexterm>
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335 | </listitem>
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336 | </varlistentry>
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337 |
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338 | <varlistentry id="fallocate">
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339 | <term><command>fallocate</command></term>
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340 | <listitem>
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341 | <para>Preallocates space to a file</para>
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342 | <indexterm zone="ch-system-util-linux fallocate">
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343 | <primary sortas="b-fallocate">fallocate</primary>
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344 | </indexterm>
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345 | </listitem>
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346 | </varlistentry>
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347 |
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348 | <varlistentry id="fdformat">
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349 | <term><command>fdformat</command></term>
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350 | <listitem>
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351 | <para>Low-level formats a floppy disk</para>
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352 | <indexterm zone="ch-system-util-linux fdformat">
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353 | <primary sortas="b-fdformat">fdformat</primary>
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354 | </indexterm>
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355 | </listitem>
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356 | </varlistentry>
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357 |
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358 | <varlistentry id="fdisk">
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359 | <term><command>fdisk</command></term>
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360 | <listitem>
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361 | <para>Manipulates the partition table of the given device</para>
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362 | <indexterm zone="ch-system-util-linux fdisk">
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363 | <primary sortas="b-fdisk">fdisk</primary>
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364 | </indexterm>
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365 | </listitem>
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366 | </varlistentry>
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367 |
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368 | <varlistentry id="findfs">
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369 | <term><command>findfs</command></term>
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370 | <listitem>
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371 | <para>Finds a file system by label or Universally Unique Identifier
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372 | (UUID)</para>
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373 | <indexterm zone="ch-system-util-linux findfs">
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374 | <primary sortas="b-findfs">findfs</primary>
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375 | </indexterm>
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376 | </listitem>
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377 | </varlistentry>
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378 |
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379 | <varlistentry id="findmnt">
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380 | <term><command>findmnt</command></term>
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381 | <listitem>
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382 | <para>Is a command line interface to the libmount library
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383 | for work with mountinfo, fstab and mtab files</para>
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384 | <indexterm zone="ch-system-util-linux findmnt">
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385 | <primary sortas="b-findmnt">findmnt</primary>
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386 | </indexterm>
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387 | </listitem>
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388 | </varlistentry>
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389 |
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390 | <varlistentry id="flock">
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391 | <term><command>flock</command></term>
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392 | <listitem>
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393 | <para>Acquires a file lock and then executes a command with the lock
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394 | held</para>
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395 | <indexterm zone="ch-system-util-linux flock">
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396 | <primary sortas="b-flock">flock</primary>
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397 | </indexterm>
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398 | </listitem>
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399 | </varlistentry>
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400 |
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401 | <varlistentry id="fsck">
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402 | <term><command>fsck</command></term>
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403 | <listitem>
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404 | <para>Is used to check, and optionally repair, file systems</para>
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405 | <indexterm zone="ch-system-util-linux fsck">
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406 | <primary sortas="b-fsck">fsck</primary>
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407 | </indexterm>
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408 | </listitem>
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409 | </varlistentry>
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410 |
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411 | <varlistentry id="fsck.cramfs">
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412 | <term><command>fsck.cramfs</command></term>
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413 | <listitem>
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414 | <para>Performs a consistency check on the Cramfs file system on the
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415 | given device</para>
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416 | <indexterm zone="ch-system-util-linux fsck.cramfs">
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417 | <primary sortas="b-fsck.cramfs">fsck.cramfs</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="fsck.minix">
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423 | <term><command>fsck.minix</command></term>
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424 | <listitem>
|
---|
425 | <para>Performs a consistency check on the Minix file system on the
|
---|
426 | given device</para>
|
---|
427 | <indexterm zone="ch-system-util-linux fsck.minix">
|
---|
428 | <primary sortas="b-fsck.minix">fsck.minix</primary>
|
---|
429 | </indexterm>
|
---|
430 | </listitem>
|
---|
431 | </varlistentry>
|
---|
432 |
|
---|
433 | <varlistentry id="fsfreeze">
|
---|
434 | <term><command>fsfreeze</command></term>
|
---|
435 | <listitem>
|
---|
436 | <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
|
---|
437 | kernel driver operations</para>
|
---|
438 | <indexterm zone="ch-system-util-linux fsfreeze">
|
---|
439 | <primary sortas="b-fsfreeze">fsfreeze</primary>
|
---|
440 | </indexterm>
|
---|
441 | </listitem>
|
---|
442 | </varlistentry>
|
---|
443 |
|
---|
444 | <varlistentry id="fstrim">
|
---|
445 | <term><command>fstrim</command></term>
|
---|
446 | <listitem>
|
---|
447 | <para>Discards unused blocks on a mounted filesystem</para>
|
---|
448 | <indexterm zone="ch-system-util-linux fstrim">
|
---|
449 | <primary sortas="b-fstrim">fstrim</primary>
|
---|
450 | </indexterm>
|
---|
451 | </listitem>
|
---|
452 | </varlistentry>
|
---|
453 |
|
---|
454 | <varlistentry id="getopt">
|
---|
455 | <term><command>getopt</command></term>
|
---|
456 | <listitem>
|
---|
457 | <para>Parses options in the given command line</para>
|
---|
458 | <indexterm zone="ch-system-util-linux getopt">
|
---|
459 | <primary sortas="b-getopt">getopt</primary>
|
---|
460 | </indexterm>
|
---|
461 | </listitem>
|
---|
462 | </varlistentry>
|
---|
463 |
|
---|
464 | <varlistentry id="hexdump">
|
---|
465 | <term><command>hexdump</command></term>
|
---|
466 | <listitem>
|
---|
467 | <para>Dumps the given file in hexadecimal or in another given
|
---|
468 | format</para>
|
---|
469 | <indexterm zone="ch-system-util-linux hexdump">
|
---|
470 | <primary sortas="b-hexdump">hexdump</primary>
|
---|
471 | </indexterm>
|
---|
472 | </listitem>
|
---|
473 | </varlistentry>
|
---|
474 |
|
---|
475 | <varlistentry id="hwclock">
|
---|
476 | <term><command>hwclock</command></term>
|
---|
477 | <listitem>
|
---|
478 | <para>Reads or sets the system's hardware clock, also called
|
---|
479 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
|
---|
480 | clock</para>
|
---|
481 | <indexterm zone="ch-system-util-linux hwclock">
|
---|
482 | <primary sortas="b-hwclock">hwclock</primary>
|
---|
483 | </indexterm>
|
---|
484 | </listitem>
|
---|
485 | </varlistentry>
|
---|
486 |
|
---|
487 | <varlistentry id="i386">
|
---|
488 | <term><command>i386</command></term>
|
---|
489 | <listitem>
|
---|
490 | <para>A symbolic link to setarch</para>
|
---|
491 | <indexterm zone="ch-system-util-linux i386">
|
---|
492 | <primary sortas="b-i386">i386</primary>
|
---|
493 | </indexterm>
|
---|
494 | </listitem>
|
---|
495 | </varlistentry>
|
---|
496 |
|
---|
497 | <varlistentry id="ionice">
|
---|
498 | <term><command>ionice</command></term>
|
---|
499 | <listitem>
|
---|
500 | <para>Gets or sets the io scheduling class and priority for a program</para>
|
---|
501 | <indexterm zone="ch-system-util-linux ionice">
|
---|
502 | <primary sortas="b-ionice">ionice</primary>
|
---|
503 | </indexterm>
|
---|
504 | </listitem>
|
---|
505 | </varlistentry>
|
---|
506 |
|
---|
507 | <varlistentry id="ipcmk">
|
---|
508 | <term><command>ipcmk</command></term>
|
---|
509 | <listitem>
|
---|
510 | <para>Creates various IPC resources</para>
|
---|
511 | <indexterm zone="ch-system-util-linux ipcmk">
|
---|
512 | <primary sortas="b-ipcmk">ipcmk</primary>
|
---|
513 | </indexterm>
|
---|
514 | </listitem>
|
---|
515 | </varlistentry>
|
---|
516 |
|
---|
517 | <varlistentry id="ipcrm">
|
---|
518 | <term><command>ipcrm</command></term>
|
---|
519 | <listitem>
|
---|
520 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
|
---|
521 | <indexterm zone="ch-system-util-linux ipcrm">
|
---|
522 | <primary sortas="b-ipcrm">ipcrm</primary>
|
---|
523 | </indexterm>
|
---|
524 | </listitem>
|
---|
525 | </varlistentry>
|
---|
526 |
|
---|
527 | <varlistentry id="ipcs">
|
---|
528 | <term><command>ipcs</command></term>
|
---|
529 | <listitem>
|
---|
530 | <para>Provides IPC status information</para>
|
---|
531 | <indexterm zone="ch-system-util-linux ipcs">
|
---|
532 | <primary sortas="b-ipcs">ipcs</primary>
|
---|
533 | </indexterm>
|
---|
534 | </listitem>
|
---|
535 | </varlistentry>
|
---|
536 |
|
---|
537 | <varlistentry id="isosize">
|
---|
538 | <term><command>isosize</command></term>
|
---|
539 | <listitem>
|
---|
540 | <para>Reports the size of an iso9660 file system</para>
|
---|
541 | <indexterm zone="ch-system-util-linux isosize">
|
---|
542 | <primary sortas="b-isosize">isosize</primary>
|
---|
543 | </indexterm>
|
---|
544 | </listitem>
|
---|
545 | </varlistentry>
|
---|
546 |
|
---|
547 | <varlistentry id="kill">
|
---|
548 | <term><command>kill</command></term>
|
---|
549 | <listitem>
|
---|
550 | <para>Sends signals to processes</para>
|
---|
551 | <indexterm zone="ch-system-util-linux kill">
|
---|
552 | <primary sortas="b-kill">kill</primary>
|
---|
553 | </indexterm>
|
---|
554 | </listitem>
|
---|
555 | </varlistentry>
|
---|
556 |
|
---|
557 | <varlistentry id="last">
|
---|
558 | <term><command>last</command></term>
|
---|
559 | <listitem>
|
---|
560 | <para>Shows which users last logged in (and out), searching back
|
---|
561 | through the <filename>/var/log/wtmp</filename> file; it also shows
|
---|
562 | system boots, shutdowns, and run-level changes</para>
|
---|
563 | <indexterm zone="ch-system-util-linux last">
|
---|
564 | <primary sortas="b-last">last</primary>
|
---|
565 | </indexterm>
|
---|
566 | </listitem>
|
---|
567 | </varlistentry>
|
---|
568 |
|
---|
569 | <varlistentry id="lastb">
|
---|
570 | <term><command>lastb</command></term>
|
---|
571 | <listitem>
|
---|
572 | <para>Shows the failed login attempts, as logged in
|
---|
573 | <filename>/var/log/btmp</filename></para>
|
---|
574 | <indexterm zone="ch-system-util-linux lastb">
|
---|
575 | <primary sortas="b-lastb">lastb</primary>
|
---|
576 | </indexterm>
|
---|
577 | </listitem>
|
---|
578 | </varlistentry>
|
---|
579 |
|
---|
580 | <varlistentry id="ldattach">
|
---|
581 | <term><command>ldattach</command></term>
|
---|
582 | <listitem>
|
---|
583 | <para>Attaches a line discipline to a serial line</para>
|
---|
584 | <indexterm zone="ch-system-util-linux ldattach">
|
---|
585 | <primary sortas="b-ldattach">ldattach</primary>
|
---|
586 | </indexterm>
|
---|
587 | </listitem>
|
---|
588 | </varlistentry>
|
---|
589 |
|
---|
590 | <varlistentry id="linux32">
|
---|
591 | <term><command>linux32</command></term>
|
---|
592 | <listitem>
|
---|
593 | <para>A symbolic link to setarch</para>
|
---|
594 | <indexterm zone="ch-system-util-linux linux32">
|
---|
595 | <primary sortas="b-linux32">linux32</primary>
|
---|
596 | </indexterm>
|
---|
597 | </listitem>
|
---|
598 | </varlistentry>
|
---|
599 |
|
---|
600 | <varlistentry id="linux64">
|
---|
601 | <term><command>linux64</command></term>
|
---|
602 | <listitem>
|
---|
603 | <para>A symbolic link to setarch</para>
|
---|
604 | <indexterm zone="ch-system-util-linux linux64">
|
---|
605 | <primary sortas="b-linux64">linux64</primary>
|
---|
606 | </indexterm>
|
---|
607 | </listitem>
|
---|
608 | </varlistentry>
|
---|
609 |
|
---|
610 | <varlistentry id="logger">
|
---|
611 | <term><command>logger</command></term>
|
---|
612 | <listitem>
|
---|
613 | <para>Enters the given message into the system log</para>
|
---|
614 | <indexterm zone="ch-system-util-linux logger">
|
---|
615 | <primary sortas="b-logger">logger</primary>
|
---|
616 | </indexterm>
|
---|
617 | </listitem>
|
---|
618 | </varlistentry>
|
---|
619 |
|
---|
620 | <varlistentry id="look">
|
---|
621 | <term><command>look</command></term>
|
---|
622 | <listitem>
|
---|
623 | <para>Displays lines that begin with the given string</para>
|
---|
624 | <indexterm zone="ch-system-util-linux look">
|
---|
625 | <primary sortas="b-look">look</primary>
|
---|
626 | </indexterm>
|
---|
627 | </listitem>
|
---|
628 | </varlistentry>
|
---|
629 |
|
---|
630 | <varlistentry id="losetup">
|
---|
631 | <term><command>losetup</command></term>
|
---|
632 | <listitem>
|
---|
633 | <para>Sets up and controls loop devices</para>
|
---|
634 | <indexterm zone="ch-system-util-linux losetup">
|
---|
635 | <primary sortas="b-losetup">losetup</primary>
|
---|
636 | </indexterm>
|
---|
637 | </listitem>
|
---|
638 | </varlistentry>
|
---|
639 |
|
---|
640 | <varlistentry id="lsblk">
|
---|
641 | <term><command>lsblk</command></term>
|
---|
642 | <listitem>
|
---|
643 | <para>Lists information about all or selected block devices in
|
---|
644 | a tree-like format</para>
|
---|
645 | <indexterm zone="ch-system-util-linux lsblk">
|
---|
646 | <primary sortas="b-lsblk">lsblk</primary>
|
---|
647 | </indexterm>
|
---|
648 | </listitem>
|
---|
649 | </varlistentry>
|
---|
650 |
|
---|
651 | <varlistentry id="lscpu">
|
---|
652 | <term><command>lscpu</command></term>
|
---|
653 | <listitem>
|
---|
654 | <para>Prints CPU architecture information</para>
|
---|
655 | <indexterm zone="ch-system-util-linux lscpu">
|
---|
656 | <primary sortas="b-lscpu">lscpu</primary>
|
---|
657 | </indexterm>
|
---|
658 | </listitem>
|
---|
659 | </varlistentry>
|
---|
660 |
|
---|
661 | <varlistentry id="lsipc">
|
---|
662 | <term><command>lsipc</command></term>
|
---|
663 | <listitem>
|
---|
664 | <para>Prints information on IPC facilities currently employed
|
---|
665 | in the system</para>
|
---|
666 | <indexterm zone="ch-system-util-linux lsipc">
|
---|
667 | <primary sortas="b-lsipc">lsipc</primary>
|
---|
668 | </indexterm>
|
---|
669 | </listitem>
|
---|
670 | </varlistentry>
|
---|
671 |
|
---|
672 | <varlistentry id="lslocks">
|
---|
673 | <term><command>lslocks</command></term>
|
---|
674 | <listitem>
|
---|
675 | <para>Lists local system locks</para>
|
---|
676 | <indexterm zone="ch-system-util-linux lslocks">
|
---|
677 | <primary sortas="b-lslocks">lslocks</primary>
|
---|
678 | </indexterm>
|
---|
679 | </listitem>
|
---|
680 | </varlistentry>
|
---|
681 |
|
---|
682 | <varlistentry id="lslogins">
|
---|
683 | <term><command>lslogins</command></term>
|
---|
684 | <listitem>
|
---|
685 | <para>Lists information about users, groups and system accounts</para>
|
---|
686 | <indexterm zone="ch-system-util-linux lslogins">
|
---|
687 | <primary sortas="b-lslogins">lslogins</primary>
|
---|
688 | </indexterm>
|
---|
689 | </listitem>
|
---|
690 | </varlistentry>
|
---|
691 |
|
---|
692 | <varlistentry id="mcookie">
|
---|
693 | <term><command>mcookie</command></term>
|
---|
694 | <listitem>
|
---|
695 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
---|
696 | <command>xauth</command></para>
|
---|
697 | <indexterm zone="ch-system-util-linux mcookie">
|
---|
698 | <primary sortas="b-mcookie">mcookie</primary>
|
---|
699 | </indexterm>
|
---|
700 | </listitem>
|
---|
701 | </varlistentry>
|
---|
702 |
|
---|
703 | <varlistentry id="mesg">
|
---|
704 | <term><command>mesg</command></term>
|
---|
705 | <listitem>
|
---|
706 | <para>Controls whether other users can send messages to the current
|
---|
707 | user's terminal</para>
|
---|
708 | <indexterm zone="ch-system-util-linux mesg">
|
---|
709 | <primary sortas="b-mesg">mesg</primary>
|
---|
710 | </indexterm>
|
---|
711 | </listitem>
|
---|
712 | </varlistentry>
|
---|
713 |
|
---|
714 | <varlistentry id="mkfs">
|
---|
715 | <term><command>mkfs</command></term>
|
---|
716 | <listitem>
|
---|
717 | <para>Builds a file system on a device (usually a hard disk
|
---|
718 | partition)</para>
|
---|
719 | <indexterm zone="ch-system-util-linux mkfs">
|
---|
720 | <primary sortas="b-mkfs">mkfs</primary>
|
---|
721 | </indexterm>
|
---|
722 | </listitem>
|
---|
723 | </varlistentry>
|
---|
724 |
|
---|
725 | <varlistentry id="mkfs.bfs">
|
---|
726 | <term><command>mkfs.bfs</command></term>
|
---|
727 | <listitem>
|
---|
728 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
---|
729 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
---|
730 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
---|
731 | </indexterm>
|
---|
732 | </listitem>
|
---|
733 | </varlistentry>
|
---|
734 |
|
---|
735 | <varlistentry id="mkfs.cramfs">
|
---|
736 | <term><command>mkfs.cramfs</command></term>
|
---|
737 | <listitem>
|
---|
738 | <para>Creates a cramfs file system</para>
|
---|
739 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
---|
740 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
---|
741 | </indexterm>
|
---|
742 | </listitem>
|
---|
743 | </varlistentry>
|
---|
744 |
|
---|
745 | <varlistentry id="mkfs.minix">
|
---|
746 | <term><command>mkfs.minix</command></term>
|
---|
747 | <listitem>
|
---|
748 | <para>Creates a Minix file system</para>
|
---|
749 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
---|
750 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
---|
751 | </indexterm>
|
---|
752 | </listitem>
|
---|
753 | </varlistentry>
|
---|
754 |
|
---|
755 | <varlistentry id="mkswap">
|
---|
756 | <term><command>mkswap</command></term>
|
---|
757 | <listitem>
|
---|
758 | <para>Initializes the given device or file to be used as a swap
|
---|
759 | area</para>
|
---|
760 | <indexterm zone="ch-system-util-linux mkswap">
|
---|
761 | <primary sortas="b-mkswap">mkswap</primary>
|
---|
762 | </indexterm>
|
---|
763 | </listitem>
|
---|
764 | </varlistentry>
|
---|
765 |
|
---|
766 | <varlistentry id="more">
|
---|
767 | <term><command>more</command></term>
|
---|
768 | <listitem>
|
---|
769 | <para>A filter for paging through text one screen at a time</para>
|
---|
770 | <indexterm zone="ch-system-util-linux more">
|
---|
771 | <primary sortas="b-more">more</primary>
|
---|
772 | </indexterm>
|
---|
773 | </listitem>
|
---|
774 | </varlistentry>
|
---|
775 |
|
---|
776 | <varlistentry id="mount">
|
---|
777 | <term><command>mount</command></term>
|
---|
778 | <listitem>
|
---|
779 | <para>Attaches the file system on the given device to a specified
|
---|
780 | directory in the file-system tree</para>
|
---|
781 | <indexterm zone="ch-system-util-linux mount">
|
---|
782 | <primary sortas="b-mount">mount</primary>
|
---|
783 | </indexterm>
|
---|
784 | </listitem>
|
---|
785 | </varlistentry>
|
---|
786 |
|
---|
787 | <varlistentry id="mountpoint">
|
---|
788 | <term><command>mountpoint</command></term>
|
---|
789 | <listitem>
|
---|
790 | <para>Checks if the directory is a mountpoint</para>
|
---|
791 | <indexterm zone="ch-system-util-linux mountpoint">
|
---|
792 | <primary sortas="b-mountpoint">mountpoint</primary>
|
---|
793 | </indexterm>
|
---|
794 | </listitem>
|
---|
795 | </varlistentry>
|
---|
796 |
|
---|
797 | <varlistentry id="namei">
|
---|
798 | <term><command>namei</command></term>
|
---|
799 | <listitem>
|
---|
800 | <para>Shows the symbolic links in the given pathnames</para>
|
---|
801 | <indexterm zone="ch-system-util-linux namei">
|
---|
802 | <primary sortas="b-namei">namei</primary>
|
---|
803 | </indexterm>
|
---|
804 | </listitem>
|
---|
805 | </varlistentry>
|
---|
806 |
|
---|
807 | <varlistentry id="nsenter">
|
---|
808 | <term><command>nsenter</command></term>
|
---|
809 | <listitem>
|
---|
810 | <para>Runs a program with namespaces of other processes</para>
|
---|
811 | <indexterm zone="ch-system-util-linux nsenter">
|
---|
812 | <primary sortas="b-nsenter">nsenter</primary>
|
---|
813 | </indexterm>
|
---|
814 | </listitem>
|
---|
815 | </varlistentry>
|
---|
816 |
|
---|
817 | <varlistentry id="partx">
|
---|
818 | <term><command>partx</command></term>
|
---|
819 | <listitem>
|
---|
820 | <para>Tells the kernel about the presence and numbering of on-disk
|
---|
821 | partitions</para>
|
---|
822 | <indexterm zone="ch-system-util-linux partx">
|
---|
823 | <primary sortas="b-partx">partx</primary>
|
---|
824 | </indexterm>
|
---|
825 | </listitem>
|
---|
826 | </varlistentry>
|
---|
827 |
|
---|
828 | <varlistentry id="pg">
|
---|
829 | <term><command>pg</command></term>
|
---|
830 | <listitem>
|
---|
831 | <para>Displays a text file one screen full at a time</para>
|
---|
832 | <indexterm zone="ch-system-util-linux pg">
|
---|
833 | <primary sortas="b-pg">pg</primary>
|
---|
834 | </indexterm>
|
---|
835 | </listitem>
|
---|
836 | </varlistentry>
|
---|
837 |
|
---|
838 | <varlistentry id="pivot_root">
|
---|
839 | <term><command>pivot_root</command></term>
|
---|
840 | <listitem>
|
---|
841 | <para>Makes the given file system the new root file system of the
|
---|
842 | current process</para>
|
---|
843 | <indexterm zone="ch-system-util-linux pivot_root">
|
---|
844 | <primary sortas="b-pivot_root">pivot_root</primary>
|
---|
845 | </indexterm>
|
---|
846 | </listitem>
|
---|
847 | </varlistentry>
|
---|
848 |
|
---|
849 | <varlistentry id="prlimit">
|
---|
850 | <term><command>prlimit</command></term>
|
---|
851 | <listitem>
|
---|
852 | <para>Get and set a process' resource limits</para>
|
---|
853 | <indexterm zone="ch-system-util-linux prlimit">
|
---|
854 | <primary sortas="b-prlimit">prlimit</primary>
|
---|
855 | </indexterm>
|
---|
856 | </listitem>
|
---|
857 | </varlistentry>
|
---|
858 |
|
---|
859 | <varlistentry id="raw">
|
---|
860 | <term><command>raw</command></term>
|
---|
861 | <listitem>
|
---|
862 | <para>Bind a Linux raw character device to a block device</para>
|
---|
863 | <indexterm zone="ch-system-util-linux raw">
|
---|
864 | <primary sortas="b-raw">raw</primary>
|
---|
865 | </indexterm>
|
---|
866 | </listitem>
|
---|
867 | </varlistentry>
|
---|
868 |
|
---|
869 | <varlistentry id="readprofile">
|
---|
870 | <term><command>readprofile</command></term>
|
---|
871 | <listitem>
|
---|
872 | <para>Reads kernel profiling information</para>
|
---|
873 | <indexterm zone="ch-system-util-linux readprofile">
|
---|
874 | <primary sortas="b-readprofile">readprofile</primary>
|
---|
875 | </indexterm>
|
---|
876 | </listitem>
|
---|
877 | </varlistentry>
|
---|
878 |
|
---|
879 | <varlistentry id="rename">
|
---|
880 | <term><command>rename</command></term>
|
---|
881 | <listitem>
|
---|
882 | <para>Renames the given files, replacing a given string with
|
---|
883 | another</para>
|
---|
884 | <indexterm zone="ch-system-util-linux rename">
|
---|
885 | <primary sortas="b-rename">rename</primary>
|
---|
886 | </indexterm>
|
---|
887 | </listitem>
|
---|
888 | </varlistentry>
|
---|
889 |
|
---|
890 | <varlistentry id="renice">
|
---|
891 | <term><command>renice</command></term>
|
---|
892 | <listitem>
|
---|
893 | <para>Alters the priority of running processes</para>
|
---|
894 | <indexterm zone="ch-system-util-linux renice">
|
---|
895 | <primary sortas="b-renice">renice</primary>
|
---|
896 | </indexterm>
|
---|
897 | </listitem>
|
---|
898 | </varlistentry>
|
---|
899 |
|
---|
900 | <varlistentry id="resizepart">
|
---|
901 | <term><command>resizepart</command></term>
|
---|
902 | <listitem>
|
---|
903 | <para>Asks the Linux kernel to resize a partition</para>
|
---|
904 | <indexterm zone="ch-system-util-linux resizepart">
|
---|
905 | <primary sortas="b-resizepart">resizepart</primary>
|
---|
906 | </indexterm>
|
---|
907 | </listitem>
|
---|
908 | </varlistentry>
|
---|
909 |
|
---|
910 | <varlistentry id="rev">
|
---|
911 | <term><command>rev</command></term>
|
---|
912 | <listitem>
|
---|
913 | <para>Reverses the lines of a given file</para>
|
---|
914 | <indexterm zone="ch-system-util-linux rev">
|
---|
915 | <primary sortas="b-rev">rev</primary>
|
---|
916 | </indexterm>
|
---|
917 | </listitem>
|
---|
918 | </varlistentry>
|
---|
919 |
|
---|
920 | <varlistentry id="rtcwake">
|
---|
921 | <term><command>rtcwake</command></term>
|
---|
922 | <listitem>
|
---|
923 | <para>Used to enter a system sleep state until specified wakeup
|
---|
924 | time</para>
|
---|
925 | <indexterm zone="ch-system-util-linux rtcwake">
|
---|
926 | <primary sortas="b-rtcwake">rtcwake</primary>
|
---|
927 | </indexterm>
|
---|
928 | </listitem>
|
---|
929 | </varlistentry>
|
---|
930 |
|
---|
931 | <varlistentry id="script">
|
---|
932 | <term><command>script</command></term>
|
---|
933 | <listitem>
|
---|
934 | <para>Makes a typescript of a terminal session</para>
|
---|
935 | <indexterm zone="ch-system-util-linux script">
|
---|
936 | <primary sortas="b-script">script</primary>
|
---|
937 | </indexterm>
|
---|
938 | </listitem>
|
---|
939 | </varlistentry>
|
---|
940 |
|
---|
941 | <varlistentry id="scriptreplay">
|
---|
942 | <term><command>scriptreplay</command></term>
|
---|
943 | <listitem>
|
---|
944 | <para>Plays back typescripts using timing information</para>
|
---|
945 | <indexterm zone="ch-system-util-linux scriptreplay">
|
---|
946 | <primary sortas="b-scriptreplay">scriptreplay</primary>
|
---|
947 | </indexterm>
|
---|
948 | </listitem>
|
---|
949 | </varlistentry>
|
---|
950 |
|
---|
951 | <varlistentry id="setarch">
|
---|
952 | <term><command>setarch</command></term>
|
---|
953 | <listitem>
|
---|
954 | <para>Changes reported architecture in a new program environment and
|
---|
955 | sets personality flags</para>
|
---|
956 | <indexterm zone="ch-system-util-linux setarch">
|
---|
957 | <primary sortas="b-setarch">setarch</primary>
|
---|
958 | </indexterm>
|
---|
959 | </listitem>
|
---|
960 | </varlistentry>
|
---|
961 |
|
---|
962 | <varlistentry id="setsid">
|
---|
963 | <term><command>setsid</command></term>
|
---|
964 | <listitem>
|
---|
965 | <para>Runs the given program in a new session</para>
|
---|
966 | <indexterm zone="ch-system-util-linux setsid">
|
---|
967 | <primary sortas="b-setsid">setsid</primary>
|
---|
968 | </indexterm>
|
---|
969 | </listitem>
|
---|
970 | </varlistentry>
|
---|
971 |
|
---|
972 | <varlistentry id="setterm">
|
---|
973 | <term><command>setterm</command></term>
|
---|
974 | <listitem>
|
---|
975 | <para>Sets terminal attributes</para>
|
---|
976 | <indexterm zone="ch-system-util-linux setterm">
|
---|
977 | <primary sortas="b-setterm">setterm</primary>
|
---|
978 | </indexterm>
|
---|
979 | </listitem>
|
---|
980 | </varlistentry>
|
---|
981 |
|
---|
982 | <varlistentry id="sfdisk">
|
---|
983 | <term><command>sfdisk</command></term>
|
---|
984 | <listitem>
|
---|
985 | <para>A disk partition table manipulator</para>
|
---|
986 | <indexterm zone="ch-system-util-linux sfdisk">
|
---|
987 | <primary sortas="b-sfdisk">sfdisk</primary>
|
---|
988 | </indexterm>
|
---|
989 | </listitem>
|
---|
990 | </varlistentry>
|
---|
991 |
|
---|
992 | <varlistentry id="sulogin">
|
---|
993 | <term><command>sulogin</command></term>
|
---|
994 | <listitem>
|
---|
995 | <para>Allows <systemitem class="username">root</systemitem> to log in;
|
---|
996 | it is normally invoked by <command>init</command> when the system goes
|
---|
997 | into single user mode</para>
|
---|
998 | <indexterm zone="ch-system-util-linux sulogin">
|
---|
999 | <primary sortas="b-sulogin">sulogin</primary>
|
---|
1000 | </indexterm>
|
---|
1001 | </listitem>
|
---|
1002 | </varlistentry>
|
---|
1003 |
|
---|
1004 | <varlistentry id="swaplabel">
|
---|
1005 | <term><command>swaplabel</command></term>
|
---|
1006 | <listitem>
|
---|
1007 | <para>Allows to change swaparea UUID and label</para>
|
---|
1008 | <indexterm zone="ch-system-util-linux swaplabel">
|
---|
1009 | <primary sortas="b-swaplabel">swaplabel</primary>
|
---|
1010 | </indexterm>
|
---|
1011 | </listitem>
|
---|
1012 | </varlistentry>
|
---|
1013 |
|
---|
1014 | <varlistentry id="swapoff">
|
---|
1015 | <term><command>swapoff</command></term>
|
---|
1016 | <listitem>
|
---|
1017 | <para>Disables devices and files for paging and swapping</para>
|
---|
1018 | <indexterm zone="ch-system-util-linux swapoff">
|
---|
1019 | <primary sortas="b-swapoff">swapoff</primary>
|
---|
1020 | </indexterm>
|
---|
1021 | </listitem>
|
---|
1022 | </varlistentry>
|
---|
1023 |
|
---|
1024 | <varlistentry id="swapon">
|
---|
1025 | <term><command>swapon</command></term>
|
---|
1026 | <listitem>
|
---|
1027 | <para>Enables devices and files for paging and swapping and
|
---|
1028 | lists the devices and files currently in use</para>
|
---|
1029 | <indexterm zone="ch-system-util-linux swapon">
|
---|
1030 | <primary sortas="b-swapon">swapon</primary>
|
---|
1031 | </indexterm>
|
---|
1032 | </listitem>
|
---|
1033 | </varlistentry>
|
---|
1034 |
|
---|
1035 | <varlistentry id="switch_root">
|
---|
1036 | <term><command>switch_root</command></term>
|
---|
1037 | <listitem>
|
---|
1038 | <para>Switches to another filesystem as the root of the mount tree</para>
|
---|
1039 | <indexterm zone="ch-system-util-linux switch_root">
|
---|
1040 | <primary sortas="b-switch_root">switch_root</primary>
|
---|
1041 | </indexterm>
|
---|
1042 | </listitem>
|
---|
1043 | </varlistentry>
|
---|
1044 |
|
---|
1045 | <varlistentry id="tailf">
|
---|
1046 | <term><command>tailf</command></term>
|
---|
1047 | <listitem>
|
---|
1048 | <para>Tracks the growth of a log file; displays the last 10 lines
|
---|
1049 | of a log file, then continues displaying any new entries in the
|
---|
1050 | log file as they are created</para>
|
---|
1051 | <indexterm zone="ch-system-util-linux tailf">
|
---|
1052 | <primary sortas="b-tailf">tailf</primary>
|
---|
1053 | </indexterm>
|
---|
1054 | </listitem>
|
---|
1055 | </varlistentry>
|
---|
1056 |
|
---|
1057 | <varlistentry id="taskset">
|
---|
1058 | <term><command>taskset</command></term>
|
---|
1059 | <listitem>
|
---|
1060 | <para>Retrieves or sets a process' CPU affinity</para>
|
---|
1061 | <indexterm zone="ch-system-util-linux taskset">
|
---|
1062 | <primary sortas="b-taskset">taskset</primary>
|
---|
1063 | </indexterm>
|
---|
1064 | </listitem>
|
---|
1065 | </varlistentry>
|
---|
1066 |
|
---|
1067 | <varlistentry id="ul">
|
---|
1068 | <term><command>ul</command></term>
|
---|
1069 | <listitem>
|
---|
1070 | <para>A filter for translating underscores into escape sequences
|
---|
1071 | indicating underlining for the terminal in use</para>
|
---|
1072 | <indexterm zone="ch-system-util-linux ul">
|
---|
1073 | <primary sortas="b-ul">ul</primary>
|
---|
1074 | </indexterm>
|
---|
1075 | </listitem>
|
---|
1076 | </varlistentry>
|
---|
1077 |
|
---|
1078 | <varlistentry id="umount">
|
---|
1079 | <term><command>umount</command></term>
|
---|
1080 | <listitem>
|
---|
1081 | <para>Disconnects a file system from the system's file tree</para>
|
---|
1082 | <indexterm zone="ch-system-util-linux umount">
|
---|
1083 | <primary sortas="b-umount">umount</primary>
|
---|
1084 | </indexterm>
|
---|
1085 | </listitem>
|
---|
1086 | </varlistentry>
|
---|
1087 |
|
---|
1088 | <varlistentry id="uname26">
|
---|
1089 | <term><command>uname26</command></term>
|
---|
1090 | <listitem>
|
---|
1091 | <para>A symbolic link to setarch</para>
|
---|
1092 | <indexterm zone="ch-system-util-linux uname26">
|
---|
1093 | <primary sortas="b-uname26">uname26</primary>
|
---|
1094 | </indexterm>
|
---|
1095 | </listitem>
|
---|
1096 | </varlistentry>
|
---|
1097 |
|
---|
1098 | <varlistentry id="unshare">
|
---|
1099 | <term><command>unshare</command></term>
|
---|
1100 | <listitem>
|
---|
1101 | <para>Runs a program with some namespaces unshared from parent</para>
|
---|
1102 | <indexterm zone="ch-system-util-linux unshare">
|
---|
1103 | <primary sortas="b-unshare">unshare</primary>
|
---|
1104 | </indexterm>
|
---|
1105 | </listitem>
|
---|
1106 | </varlistentry>
|
---|
1107 |
|
---|
1108 | <varlistentry id="utmpdump">
|
---|
1109 | <term><command>utmpdump</command></term>
|
---|
1110 | <listitem>
|
---|
1111 | <para>Displays the content of the given login file in a more
|
---|
1112 | user-friendly format</para>
|
---|
1113 | <indexterm zone="ch-system-util-linux utmpdump">
|
---|
1114 | <primary sortas="b-utmpdump">utmpdump</primary>
|
---|
1115 | </indexterm>
|
---|
1116 | </listitem>
|
---|
1117 | </varlistentry>
|
---|
1118 |
|
---|
1119 | <varlistentry id="uuidd">
|
---|
1120 | <term><command>uuidd</command></term>
|
---|
1121 | <listitem>
|
---|
1122 | <para>A daemon used by the UUID library to generate time-based
|
---|
1123 | UUIDs in a secure and guaranteed-unique fashion</para>
|
---|
1124 | <indexterm zone="ch-system-util-linux uuidd">
|
---|
1125 | <primary sortas="b-uuidd">uuidd</primary>
|
---|
1126 | </indexterm>
|
---|
1127 | </listitem>
|
---|
1128 | </varlistentry>
|
---|
1129 |
|
---|
1130 | <varlistentry id="uuidgen">
|
---|
1131 | <term><command>uuidgen</command></term>
|
---|
1132 | <listitem>
|
---|
1133 | <para>Creates new UUIDs. Each new UUID can reasonably be considered
|
---|
1134 | unique among all UUIDs created, on the local system and on other
|
---|
1135 | systems, in the past and in the future</para>
|
---|
1136 | <indexterm zone="ch-system-util-linux uuidgen">
|
---|
1137 | <primary sortas="b-uuidgen">uuidgen</primary>
|
---|
1138 | </indexterm>
|
---|
1139 | </listitem>
|
---|
1140 | </varlistentry>
|
---|
1141 |
|
---|
1142 | <varlistentry id="wall">
|
---|
1143 | <term><command>wall</command></term>
|
---|
1144 | <listitem>
|
---|
1145 | <para>Displays the contents of a file or, by default, its standard
|
---|
1146 | input, on the terminals of all currently logged in users</para>
|
---|
1147 | <indexterm zone="ch-system-util-linux wall">
|
---|
1148 | <primary sortas="b-wall">wall</primary>
|
---|
1149 | </indexterm>
|
---|
1150 | </listitem>
|
---|
1151 | </varlistentry>
|
---|
1152 |
|
---|
1153 | <varlistentry id="wdctl">
|
---|
1154 | <term><command>wdctl</command></term>
|
---|
1155 | <listitem>
|
---|
1156 | <para>Shows hardware watchdog status</para>
|
---|
1157 | <indexterm zone="ch-system-util-linux wdctl">
|
---|
1158 | <primary sortas="b-wdctl">wdctl</primary>
|
---|
1159 | </indexterm>
|
---|
1160 | </listitem>
|
---|
1161 | </varlistentry>
|
---|
1162 |
|
---|
1163 | <varlistentry id="whereis">
|
---|
1164 | <term><command>whereis</command></term>
|
---|
1165 | <listitem>
|
---|
1166 | <para>Reports the location of the binary, source, and man page
|
---|
1167 | for the given command</para>
|
---|
1168 | <indexterm zone="ch-system-util-linux whereis">
|
---|
1169 | <primary sortas="b-whereis">whereis</primary>
|
---|
1170 | </indexterm>
|
---|
1171 | </listitem>
|
---|
1172 | </varlistentry>
|
---|
1173 |
|
---|
1174 | <varlistentry id="wipefs">
|
---|
1175 | <term><command>wipefs</command></term>
|
---|
1176 | <listitem>
|
---|
1177 | <para>Wipes a filesystem signature from a device</para>
|
---|
1178 | <indexterm zone="ch-system-util-linux wipefs">
|
---|
1179 | <primary sortas="b-wipefs">wipefs</primary>
|
---|
1180 | </indexterm>
|
---|
1181 | </listitem>
|
---|
1182 | </varlistentry>
|
---|
1183 |
|
---|
1184 | <varlistentry id="x86_64">
|
---|
1185 | <term><command>x86_64</command></term>
|
---|
1186 | <listitem>
|
---|
1187 | <para>A symbolic link to setarch</para>
|
---|
1188 | <indexterm zone="ch-system-util-linux x86_64">
|
---|
1189 | <primary sortas="b-x86_64">x86_64</primary>
|
---|
1190 | </indexterm>
|
---|
1191 | </listitem>
|
---|
1192 | </varlistentry>
|
---|
1193 |
|
---|
1194 | <varlistentry id="zramctl">
|
---|
1195 | <term><command>zramctl</command></term>
|
---|
1196 | <listitem>
|
---|
1197 | <para>A program to set up and control zram (compressed ram disk)
|
---|
1198 | devices</para>
|
---|
1199 | <indexterm zone="ch-system-util-linux zramctl">
|
---|
1200 | <primary sortas="b-zramctl">zramctl</primary>
|
---|
1201 | </indexterm>
|
---|
1202 | </listitem>
|
---|
1203 | </varlistentry>
|
---|
1204 |
|
---|
1205 | <varlistentry id="libblkid">
|
---|
1206 | <term><filename class="libraryfile">libblkid</filename></term>
|
---|
1207 | <listitem>
|
---|
1208 | <para>Contains routines for device identification and token
|
---|
1209 | extraction</para>
|
---|
1210 | <indexterm zone="ch-system-util-linux libblkid">
|
---|
1211 | <primary sortas="c-libblkid">libblkid</primary>
|
---|
1212 | </indexterm>
|
---|
1213 | </listitem>
|
---|
1214 | </varlistentry>
|
---|
1215 |
|
---|
1216 | <varlistentry id="libfdisk">
|
---|
1217 | <term><filename class="libraryfile">libfdisk</filename></term>
|
---|
1218 | <listitem>
|
---|
1219 | <para>Contains routines for manipulating partition tables</para>
|
---|
1220 | <indexterm zone="ch-system-util-linux libfdisk">
|
---|
1221 | <primary sortas="c-libfdisk">libfdisk</primary>
|
---|
1222 | </indexterm>
|
---|
1223 | </listitem>
|
---|
1224 | </varlistentry>
|
---|
1225 |
|
---|
1226 | <varlistentry id="libmount">
|
---|
1227 | <term><filename class="libraryfile">libmount</filename></term>
|
---|
1228 | <listitem>
|
---|
1229 | <para>Contains routines for block device mounting and
|
---|
1230 | unmounting</para>
|
---|
1231 | <indexterm zone="ch-system-util-linux libmount">
|
---|
1232 | <primary sortas="c-libmount">libmount</primary>
|
---|
1233 | </indexterm>
|
---|
1234 | </listitem>
|
---|
1235 | </varlistentry>
|
---|
1236 |
|
---|
1237 | <varlistentry id="libsmartcols">
|
---|
1238 | <term><filename class="libraryfile">libsmartcols</filename></term>
|
---|
1239 | <listitem>
|
---|
1240 | <para>Contains routines for aiding screen output in tabular form</para>
|
---|
1241 | <indexterm zone="ch-system-util-linux libsmartcols">
|
---|
1242 | <primary sortas="c-libsmartcols">libsmartcols</primary>
|
---|
1243 | </indexterm>
|
---|
1244 | </listitem>
|
---|
1245 | </varlistentry>
|
---|
1246 |
|
---|
1247 | <varlistentry id="libuuid">
|
---|
1248 | <term><filename class="libraryfile">libuuid</filename></term>
|
---|
1249 | <listitem>
|
---|
1250 | <para>Contains routines for generating unique identifiers for objects
|
---|
1251 | that may be accessible beyond the local system</para>
|
---|
1252 | <indexterm zone="ch-system-util-linux libuuid">
|
---|
1253 | <primary sortas="c-libuuid">libuuid</primary>
|
---|
1254 | </indexterm>
|
---|
1255 | </listitem>
|
---|
1256 | </varlistentry>
|
---|
1257 |
|
---|
1258 | </variablelist>
|
---|
1259 |
|
---|
1260 | </sect2>
|
---|
1261 |
|
---|
1262 | </sect1>
|
---|