1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/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 |
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25 | </sect2>
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26 |
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27 | <sect2 id="fhs-util-linux" role="installation">
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28 | <title>FHS compliance notes</title>
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29 |
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30 | <para>The FHS recommends using the <filename
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31 | class="directory">/var/lib/hwclock</filename> directory instead of the
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32 | usual <filename class="directory">/etc</filename> directory as the
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33 | location for the <filename>adjtime</filename> file. To make the
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34 | <command>hwclock</command> program FHS-compliant, run the following:</para>
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35 |
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36 | <screen><userinput>cp hwclock/hwclock.c{,.orig}
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37 | sed 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
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38 | hwclock/hwclock.c.orig > hwclock/hwclock.c
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39 | mkdir -pv ${CLFS}/var/lib/hwclock</userinput></screen>
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40 |
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41 | </sect2>
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42 |
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43 | <sect2 role="installation">
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44 | <title>Installation of Util-linux</title>
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45 |
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46 | <para os="p1">Util-linux fails to compile against newer versions of
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47 | Linux kernel headers. The following patch properly fixes this issue:</para>
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48 |
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49 | <screen os="p2"><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen>
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50 |
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51 | <para os="p3">The following patch fixes build issues with GCC &gcc-version;:</para>
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52 |
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53 | <screen os="p4"><userinput>patch -Np1 -i ../&util-linux-gcc4_fixes-patch;</userinput></screen>
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54 |
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55 | <para os="p5">The following patch fixes swapon.c - it tries to find the
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56 | variable R_OK, but the header that has R_OK is not included:</para>
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57 |
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58 | <screen os="p6"><userinput>patch -Np1 -i ../&util-linux-missing_header-patch;</userinput></screen>
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59 |
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60 | <para os="s1">The following sed prevents the installed files from being
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61 | owned by root</para>
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62 |
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63 | <screen os="s2"><userinput>cp MCONFIG{,.orig}
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64 | sed -e "s/-o root//" MCONFIG.orig > MCONFIG</userinput></screen>
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65 |
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66 | <para os="a">Prepare Util-linux for compilation:</para>
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67 |
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68 | <screen os="b"><userinput>./configure</userinput></screen>
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69 |
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70 | <para os="c">Compile the package:</para>
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71 |
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72 | <screen os="d"><userinput>make HAVE_KILL=yes HAVE_SLN=yes \
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73 | CPUOPT="" ARCH="" CPU=""</userinput></screen>
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74 |
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75 | <variablelist os="e">
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76 | <title>The meaning of the make parameters:</title>
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77 |
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78 | <varlistentry os="e1">
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79 | <term><parameter>HAVE_KILL=yes</parameter></term>
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80 | <listitem>
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81 | <para>This prevents the <command>kill</command> program (already
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82 | installed by Procps) from being built and installed again.</para>
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83 | </listitem>
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84 | </varlistentry>
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85 |
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86 | <varlistentry os="e2">
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87 | <term><parameter>HAVE_SLN=yes</parameter></term>
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88 | <listitem>
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89 | <para>This prevents the <command>sln</command> program (a
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90 | statically linked version of <command>ln</command> already installed
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91 | by Glibc) from being built and installed again.</para>
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92 | </listitem>
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93 | </varlistentry>
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94 |
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95 | <varlistentry os="e3">
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96 | <term><parameter>CPUOPT=""</parameter></term>
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97 | <listitem>
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98 | <para>This disables any compiler optimizations by CPU type.</para>
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99 | </listitem>
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100 | </varlistentry>
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101 |
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102 | <varlistentry os="e4">
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103 | <term><parameter>ARCH=""</parameter></term>
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104 | <listitem>
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105 | <para>This disables the detection of the architecture.</para>
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106 | </listitem>
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107 | </varlistentry>
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108 |
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109 | <varlistentry os="e5">
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110 | <term><parameter>CPU=""</parameter></term>
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111 | <listitem>
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112 | <para>This disables the detection of the CPU.</para>
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113 | </listitem>
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114 | </varlistentry>
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115 |
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116 | </variablelist>
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117 |
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118 | <para os="f">Install the package and move the <command>logger</command> binary
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119 | to <filename class="directory">/bin</filename> as it is needed by the
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120 | CLFS-Bootscripts package:</para>
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121 |
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122 | <screen os="g"><userinput>make HAVE_KILL=yes HAVE_SLN=yes \
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123 | CPUOPT="" ARCH="" CPU="" USE_TTY_GROUP=no DESTDIR=${CLFS} install
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124 | mv -v ${CLFS}/usr/bin/logger ${CLFS}/bin</userinput></screen>
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125 |
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126 | </sect2>
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127 |
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128 | <sect2 id="contents-util-linux" role="content">
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129 | <title>Contents of Util-linux</title>
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130 |
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131 | <segmentedlist>
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132 | <segtitle>Installed programs</segtitle>
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133 |
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134 | <seglistitem>
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135 | <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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136 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat,
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137 | fdisk, flock, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm,
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138 | ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs,
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139 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root,
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140 | ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev,
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141 | rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk,
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142 | swapoff (link to swapon), swapon, tailf, tunelp, ul, umount, vidmode
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143 | (link to rdev), whereis, and write</seg>
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144 | </seglistitem>
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145 | </segmentedlist>
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146 |
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147 | <variablelist>
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148 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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149 | <?dbfo list-presentation="list"?>
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150 | <?dbhtml list-presentation="table"?>
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151 |
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152 | <varlistentry id="agetty">
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153 | <term><command>agetty</command></term>
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154 | <listitem>
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155 | <para>Opens a tty port, prompts for a login name,
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156 | and then invokes the <command>login</command> program</para>
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157 | <indexterm zone="ch-system-util-linux agetty">
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158 | <primary sortas="b-agetty">agetty</primary>
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159 | </indexterm>
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160 | </listitem>
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161 | </varlistentry>
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162 |
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163 | <varlistentry id="arch">
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164 | <term><command>arch</command></term>
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165 | <listitem>
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166 | <para>Reports the machine's architecture</para>
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167 | <indexterm zone="ch-system-util-linux arch">
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168 | <primary sortas="b-arch">arch</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="blockdev">
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174 | <term><command>blockdev</command></term>
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175 | <listitem>
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176 | <para>Allows users to call block device ioctls from the command
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177 | line</para>
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178 | <indexterm zone="ch-system-util-linux blockdev">
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179 | <primary sortas="b-blockdev">blockdev</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="cal">
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185 | <term><command>cal</command></term>
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186 | <listitem>
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187 | <para>Displays a simple calendar</para>
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188 | <indexterm zone="ch-system-util-linux cal">
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189 | <primary sortas="b-cal">cal</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="cfdisk">
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195 | <term><command>cfdisk</command></term>
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196 | <listitem>
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197 | <para>Manipulates the partition table of the given device</para>
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198 | <indexterm zone="ch-system-util-linux cfdisk">
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199 | <primary sortas="b-cfdisk">cfdisk</primary>
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200 | </indexterm>
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201 | </listitem>
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202 | </varlistentry>
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203 |
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204 | <varlistentry id="chkdupexe">
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205 | <term><command>chkdupexe</command></term>
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206 | <listitem>
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207 | <para>Finds duplicate executables</para>
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208 | <indexterm zone="ch-system-util-linux chkdupexe">
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209 | <primary sortas="b-chkdupexe">chkdupexe</primary>
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210 | </indexterm>
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211 | </listitem>
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212 | </varlistentry>
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213 |
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214 | <varlistentry id="col">
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215 | <term><command>col</command></term>
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216 | <listitem>
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217 | <para>Filters out reverse line feeds</para>
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218 | <indexterm zone="ch-system-util-linux col">
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219 | <primary sortas="b-col">col</primary>
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220 | </indexterm>
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221 | </listitem>
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222 | </varlistentry>
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223 |
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224 | <varlistentry id="colcrt">
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225 | <term><command>colcrt</command></term>
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226 | <listitem>
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227 | <para>Filters <command>nroff</command> output for terminals
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228 | that lack some capabilities, such as overstriking and half-lines</para>
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229 | <indexterm zone="ch-system-util-linux colcrt">
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230 | <primary sortas="b-colcrt">colcrt</primary>
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231 | </indexterm>
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232 | </listitem>
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233 | </varlistentry>
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234 |
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235 | <varlistentry id="colrm">
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236 | <term><command>colrm</command></term>
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237 | <listitem>
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238 | <para>Filters out the given columns</para>
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239 | <indexterm zone="ch-system-util-linux colrm">
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240 | <primary sortas="b-colrm">colrm</primary>
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241 | </indexterm>
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242 | </listitem>
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243 | </varlistentry>
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244 |
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245 | <varlistentry id="column">
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246 | <term><command>column</command></term>
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247 | <listitem>
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248 | <para>Formats a given file into multiple columns</para>
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249 | <indexterm zone="ch-system-util-linux column">
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250 | <primary sortas="b-column">column</primary>
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251 | </indexterm>
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252 | </listitem>
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253 | </varlistentry>
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254 |
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255 | <varlistentry id="ctrlaltdel">
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256 | <term><command>ctrlaltdel</command></term>
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257 | <listitem>
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258 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
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259 | hard or a soft reset</para>
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260 | <indexterm zone="ch-system-util-linux ctrlaltdel">
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261 | <primary sortas="b-ctrlaltdel">ctrlaltdel</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="cytune">
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267 | <term><command>cytune</command></term>
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268 | <listitem>
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269 | <para>Tunes the parameters of the serial line drivers for
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270 | Cyclades cards</para>
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271 | <indexterm zone="ch-system-util-linux cytune">
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272 | <primary sortas="b-cytune">cytune</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="ddate">
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278 | <term><command>ddate</command></term>
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279 | <listitem>
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280 | <para>Gives the Discordian date or converts the given Gregorian date
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281 | to a Discordian one</para>
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282 | <indexterm zone="ch-system-util-linux ddate">
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283 | <primary sortas="b-ddate">ddate</primary>
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284 | </indexterm>
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285 | </listitem>
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286 | </varlistentry>
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287 |
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288 | <varlistentry id="dmesg">
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289 | <term><command>dmesg</command></term>
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290 | <listitem>
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291 | <para>Dumps the kernel boot messages</para>
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292 | <indexterm zone="ch-system-util-linux dmesg">
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293 | <primary sortas="b-dmesg">dmesg</primary>
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294 | </indexterm>
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295 | </listitem>
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296 | </varlistentry>
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297 |
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298 | <varlistentry id="elvtune">
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299 | <term><command>elvtune</command></term>
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300 | <listitem>
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301 | <para>Tunes the performance and interactivity of a block
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302 | device</para>
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303 | <indexterm zone="ch-system-util-linux elvtune">
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304 | <primary sortas="b-elvtune">elvtune</primary>
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305 | </indexterm>
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306 | </listitem>
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307 | </varlistentry>
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308 |
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309 | <varlistentry id="fdformat">
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310 | <term><command>fdformat</command></term>
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311 | <listitem>
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312 | <para>Low-level formats a floppy disk</para>
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313 | <indexterm zone="ch-system-util-linux fdformat">
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314 | <primary sortas="b-fdformat">fdformat</primary>
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315 | </indexterm>
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316 | </listitem>
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317 | </varlistentry>
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318 |
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319 | <varlistentry id="fdisk">
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320 | <term><command>fdisk</command></term>
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321 | <listitem>
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322 | <para>Manipulates the partition table of the given device</para>
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323 | <indexterm zone="ch-system-util-linux fdisk">
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324 | <primary sortas="b-fdisk">fdisk</primary>
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325 | </indexterm>
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326 | </listitem>
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327 | </varlistentry>
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328 |
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329 | <varlistentry id="flock">
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330 | <term><command>flock</command></term>
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331 | <listitem>
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332 | <para>Acquires a file lock and then executes a command with the lock
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333 | held</para>
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334 | <indexterm zone="ch-system-util-linux flock">
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335 | <primary sortas="b-flock">flock</primary>
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336 | </indexterm>
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337 | </listitem>
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338 | </varlistentry>
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339 |
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340 | <varlistentry id="fsck.cramfs">
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341 | <term><command>fsck.cramfs</command></term>
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342 | <listitem>
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343 | <para>Performs a consistency check on the Cramfs file system on the
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344 | given device</para>
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345 | <indexterm zone="ch-system-util-linux fsck.cramfs">
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346 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
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347 | </indexterm>
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348 | </listitem>
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349 | </varlistentry>
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350 |
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351 | <varlistentry id="fsck.minix">
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352 | <term><command>fsck.minix</command></term>
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353 | <listitem>
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354 | <para>Performs a consistency check on the Minix file system on the
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355 | given device</para>
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356 | <indexterm zone="ch-system-util-linux fsck.minix">
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357 | <primary sortas="b-fsck.minix">fsck.minix</primary>
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358 | </indexterm>
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359 | </listitem>
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360 | </varlistentry>
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361 |
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362 | <varlistentry id="getopt">
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363 | <term><command>getopt</command></term>
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364 | <listitem>
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365 | <para>Parses options in the given command line</para>
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366 | <indexterm zone="ch-system-util-linux getopt">
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367 | <primary sortas="b-getopt">getopt</primary>
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368 | </indexterm>
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369 | </listitem>
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370 | </varlistentry>
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371 |
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372 | <varlistentry id="hexdump">
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373 | <term><command>hexdump</command></term>
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374 | <listitem>
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375 | <para>Dumps the given file in hexadecimal or in another given
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376 | format</para>
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377 | <indexterm zone="ch-system-util-linux hexdump">
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378 | <primary sortas="b-hexdump">hexdump</primary>
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379 | </indexterm>
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380 | </listitem>
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381 | </varlistentry>
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382 |
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383 | <varlistentry id="hwclock">
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384 | <term><command>hwclock</command></term>
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385 | <listitem>
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386 | <para>Reads or sets the system's hardware clock, also called
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387 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
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388 | clock</para>
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389 | <indexterm zone="ch-system-util-linux hwclock">
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390 | <primary sortas="b-hwclock">hwclock</primary>
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391 | </indexterm>
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392 | </listitem>
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393 | </varlistentry>
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394 |
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395 | <varlistentry id="ipcrm">
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396 | <term><command>ipcrm</command></term>
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397 | <listitem>
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398 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
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399 | <indexterm zone="ch-system-util-linux ipcrm">
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400 | <primary sortas="b-ipcrm">ipcrm</primary>
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401 | </indexterm>
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402 | </listitem>
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403 | </varlistentry>
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404 |
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405 | <varlistentry id="ipcs">
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406 | <term><command>ipcs</command></term>
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407 | <listitem>
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408 | <para>Provides IPC status information</para>
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409 | <indexterm zone="ch-system-util-linux ipcs">
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410 | <primary sortas="b-ipcs">ipcs</primary>
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411 | </indexterm>
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412 | </listitem>
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413 | </varlistentry>
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414 |
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415 | <varlistentry id="isosize">
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416 | <term><command>isosize</command></term>
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417 | <listitem>
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418 | <para>Reports the size of an iso9660 file system</para>
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419 | <indexterm zone="ch-system-util-linux isosize">
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420 | <primary sortas="b-isosize">isosize</primary>
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421 | </indexterm>
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422 | </listitem>
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423 | </varlistentry>
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424 |
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425 | <varlistentry id="line">
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426 | <term><command>line</command></term>
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427 | <listitem>
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428 | <para>Copies a single line</para>
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---|
429 | <indexterm zone="ch-system-util-linux line">
|
---|
430 | <primary sortas="b-line">line</primary>
|
---|
431 | </indexterm>
|
---|
432 | </listitem>
|
---|
433 | </varlistentry>
|
---|
434 |
|
---|
435 | <varlistentry id="logger">
|
---|
436 | <term><command>logger</command></term>
|
---|
437 | <listitem>
|
---|
438 | <para>Enters the given message into the system log</para>
|
---|
439 | <indexterm zone="ch-system-util-linux logger">
|
---|
440 | <primary sortas="b-logger">logger</primary>
|
---|
441 | </indexterm>
|
---|
442 | </listitem>
|
---|
443 | </varlistentry>
|
---|
444 |
|
---|
445 | <varlistentry id="look">
|
---|
446 | <term><command>look</command></term>
|
---|
447 | <listitem>
|
---|
448 | <para>Displays lines that begin with the given string</para>
|
---|
449 | <indexterm zone="ch-system-util-linux look">
|
---|
450 | <primary sortas="b-look">look</primary>
|
---|
451 | </indexterm>
|
---|
452 | </listitem>
|
---|
453 | </varlistentry>
|
---|
454 |
|
---|
455 | <varlistentry id="losetup">
|
---|
456 | <term><command>losetup</command></term>
|
---|
457 | <listitem>
|
---|
458 | <para>Sets up and controls loop devices</para>
|
---|
459 | <indexterm zone="ch-system-util-linux losetup">
|
---|
460 | <primary sortas="b-losetup">losetup</primary>
|
---|
461 | </indexterm>
|
---|
462 | </listitem>
|
---|
463 | </varlistentry>
|
---|
464 |
|
---|
465 | <varlistentry id="mcookie">
|
---|
466 | <term><command>mcookie</command></term>
|
---|
467 | <listitem>
|
---|
468 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
---|
469 | <command>xauth</command></para>
|
---|
470 | <indexterm zone="ch-system-util-linux mcookie">
|
---|
471 | <primary sortas="b-mcookie">mcookie</primary>
|
---|
472 | </indexterm>
|
---|
473 | </listitem>
|
---|
474 | </varlistentry>
|
---|
475 |
|
---|
476 | <varlistentry id="mkfs">
|
---|
477 | <term><command>mkfs</command></term>
|
---|
478 | <listitem>
|
---|
479 | <para>Builds a file system on a device (usually a hard disk
|
---|
480 | partition)</para>
|
---|
481 | <indexterm zone="ch-system-util-linux mkfs">
|
---|
482 | <primary sortas="b-mkfs">mkfs</primary>
|
---|
483 | </indexterm>
|
---|
484 | </listitem>
|
---|
485 | </varlistentry>
|
---|
486 |
|
---|
487 | <varlistentry id="mkfs.bfs">
|
---|
488 | <term><command>mkfs.bfs</command></term>
|
---|
489 | <listitem>
|
---|
490 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
---|
491 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
---|
492 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
---|
493 | </indexterm>
|
---|
494 | </listitem>
|
---|
495 | </varlistentry>
|
---|
496 |
|
---|
497 | <varlistentry id="mkfs.cramfs">
|
---|
498 | <term><command>mkfs.cramfs</command></term>
|
---|
499 | <listitem>
|
---|
500 | <para>Creates a cramfs file system</para>
|
---|
501 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
---|
502 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
---|
503 | </indexterm>
|
---|
504 | </listitem>
|
---|
505 | </varlistentry>
|
---|
506 |
|
---|
507 | <varlistentry id="mkfs.minix">
|
---|
508 | <term><command>mkfs.minix</command></term>
|
---|
509 | <listitem>
|
---|
510 | <para>Creates a Minix file system</para>
|
---|
511 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
---|
512 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
---|
513 | </indexterm>
|
---|
514 | </listitem>
|
---|
515 | </varlistentry>
|
---|
516 |
|
---|
517 | <varlistentry id="mkswap">
|
---|
518 | <term><command>mkswap</command></term>
|
---|
519 | <listitem>
|
---|
520 | <para>Initializes the given device or file to be used as a swap
|
---|
521 | area</para>
|
---|
522 | <indexterm zone="ch-system-util-linux mkswap">
|
---|
523 | <primary sortas="b-mkswap">mkswap</primary>
|
---|
524 | </indexterm>
|
---|
525 | </listitem>
|
---|
526 | </varlistentry>
|
---|
527 |
|
---|
528 | <varlistentry id="more">
|
---|
529 | <term><command>more</command></term>
|
---|
530 | <listitem>
|
---|
531 | <para>A filter for paging through text one screen at a time</para>
|
---|
532 | <indexterm zone="ch-system-util-linux more">
|
---|
533 | <primary sortas="b-more">more</primary>
|
---|
534 | </indexterm>
|
---|
535 | </listitem>
|
---|
536 | </varlistentry>
|
---|
537 |
|
---|
538 | <varlistentry id="mount">
|
---|
539 | <term><command>mount</command></term>
|
---|
540 | <listitem>
|
---|
541 | <para>Attaches the file system on the given device to a specified
|
---|
542 | directory in the file-system tree</para>
|
---|
543 | <indexterm zone="ch-system-util-linux mount">
|
---|
544 | <primary sortas="b-mount">mount</primary>
|
---|
545 | </indexterm>
|
---|
546 | </listitem>
|
---|
547 | </varlistentry>
|
---|
548 |
|
---|
549 | <varlistentry id="namei">
|
---|
550 | <term><command>namei</command></term>
|
---|
551 | <listitem>
|
---|
552 | <para>Shows the symbolic links in the given pathnames</para>
|
---|
553 | <indexterm zone="ch-system-util-linux namei">
|
---|
554 | <primary sortas="b-namei">namei</primary>
|
---|
555 | </indexterm>
|
---|
556 | </listitem>
|
---|
557 | </varlistentry>
|
---|
558 |
|
---|
559 | <varlistentry id="pg">
|
---|
560 | <term><command>pg</command></term>
|
---|
561 | <listitem>
|
---|
562 | <para>Displays a text file one screen full at a time</para>
|
---|
563 | <indexterm zone="ch-system-util-linux pg">
|
---|
564 | <primary sortas="b-pg">pg</primary>
|
---|
565 | </indexterm>
|
---|
566 | </listitem>
|
---|
567 | </varlistentry>
|
---|
568 |
|
---|
569 | <varlistentry id="pivot_root">
|
---|
570 | <term><command>pivot_root</command></term>
|
---|
571 | <listitem>
|
---|
572 | <para>Makes the given file system the new root file system of the
|
---|
573 | current process</para>
|
---|
574 | <indexterm zone="ch-system-util-linux pivot_root">
|
---|
575 | <primary sortas="b-pivot_root">pivot_root</primary>
|
---|
576 | </indexterm>
|
---|
577 | </listitem>
|
---|
578 | </varlistentry>
|
---|
579 |
|
---|
580 | <varlistentry id="ramsize">
|
---|
581 | <term><command>ramsize</command></term>
|
---|
582 | <listitem>
|
---|
583 | <para>Sets the size of the RAM disk in a bootable image</para>
|
---|
584 | <indexterm zone="ch-system-util-linux ramsize">
|
---|
585 | <primary sortas="b-ramsize">ramsize</primary>
|
---|
586 | </indexterm>
|
---|
587 | </listitem>
|
---|
588 | </varlistentry>
|
---|
589 |
|
---|
590 | <varlistentry id="raw">
|
---|
591 | <term><command>raw</command></term>
|
---|
592 | <listitem>
|
---|
593 | <para>Used to bind a Linux raw character device to a block
|
---|
594 | device</para>
|
---|
595 | <indexterm zone="ch-system-util-linux raw">
|
---|
596 | <primary sortas="b-raw">raw</primary>
|
---|
597 | </indexterm>
|
---|
598 | </listitem>
|
---|
599 | </varlistentry>
|
---|
600 |
|
---|
601 | <varlistentry id="rdev">
|
---|
602 | <term><command>rdev</command></term>
|
---|
603 | <listitem>
|
---|
604 | <para>Queries and sets the root device, among other things, in a
|
---|
605 | bootable image</para>
|
---|
606 | <indexterm zone="ch-system-util-linux rdev">
|
---|
607 | <primary sortas="b-rdev">rdev</primary>
|
---|
608 | </indexterm>
|
---|
609 | </listitem>
|
---|
610 | </varlistentry>
|
---|
611 |
|
---|
612 | <varlistentry id="readprofile">
|
---|
613 | <term><command>readprofile</command></term>
|
---|
614 | <listitem>
|
---|
615 | <para>Reads kernel profiling information</para>
|
---|
616 | <indexterm zone="ch-system-util-linux readprofile">
|
---|
617 | <primary sortas="b-readprofile">readprofile</primary>
|
---|
618 | </indexterm>
|
---|
619 | </listitem>
|
---|
620 | </varlistentry>
|
---|
621 |
|
---|
622 | <varlistentry id="rename">
|
---|
623 | <term><command>rename</command></term>
|
---|
624 | <listitem>
|
---|
625 | <para>Renames the given files, replacing a given string with
|
---|
626 | another</para>
|
---|
627 | <indexterm zone="ch-system-util-linux rename">
|
---|
628 | <primary sortas="b-rename">rename</primary>
|
---|
629 | </indexterm>
|
---|
630 | </listitem>
|
---|
631 | </varlistentry>
|
---|
632 |
|
---|
633 | <varlistentry id="renice">
|
---|
634 | <term><command>renice</command></term>
|
---|
635 | <listitem>
|
---|
636 | <para>Alters the priority of running processes</para>
|
---|
637 | <indexterm zone="ch-system-util-linux renice">
|
---|
638 | <primary sortas="b-renice">renice</primary>
|
---|
639 | </indexterm>
|
---|
640 | </listitem>
|
---|
641 | </varlistentry>
|
---|
642 |
|
---|
643 | <varlistentry id="rev">
|
---|
644 | <term><command>rev</command></term>
|
---|
645 | <listitem>
|
---|
646 | <para>Reverses the lines of a given file</para>
|
---|
647 | <indexterm zone="ch-system-util-linux rev">
|
---|
648 | <primary sortas="b-rev">rev</primary>
|
---|
649 | </indexterm>
|
---|
650 | </listitem>
|
---|
651 | </varlistentry>
|
---|
652 |
|
---|
653 | <varlistentry id="rootflags">
|
---|
654 | <term><command>rootflags</command></term>
|
---|
655 | <listitem>
|
---|
656 | <para>Sets the rootflags in a bootable image</para>
|
---|
657 | <indexterm zone="ch-system-util-linux rootflags">
|
---|
658 | <primary sortas="b-rootflags">rootflags</primary>
|
---|
659 | </indexterm>
|
---|
660 | </listitem>
|
---|
661 | </varlistentry>
|
---|
662 |
|
---|
663 | <varlistentry id="script">
|
---|
664 | <term><command>script</command></term>
|
---|
665 | <listitem>
|
---|
666 | <para>Makes a typescript of a terminal session</para>
|
---|
667 | <indexterm zone="ch-system-util-linux script">
|
---|
668 | <primary sortas="b-script">script</primary>
|
---|
669 | </indexterm>
|
---|
670 | </listitem>
|
---|
671 | </varlistentry>
|
---|
672 |
|
---|
673 | <varlistentry id="setfdprm">
|
---|
674 | <term><command>setfdprm</command></term>
|
---|
675 | <listitem>
|
---|
676 | <para>Sets user-provided floppy disk parameters</para>
|
---|
677 | <indexterm zone="ch-system-util-linux setfdprm">
|
---|
678 | <primary sortas="b-setfdprm">setfdprm</primary>
|
---|
679 | </indexterm>
|
---|
680 | </listitem>
|
---|
681 | </varlistentry>
|
---|
682 |
|
---|
683 | <varlistentry id="setsid">
|
---|
684 | <term><command>setsid</command></term>
|
---|
685 | <listitem>
|
---|
686 | <para>Runs the given program in a new session</para>
|
---|
687 | <indexterm zone="ch-system-util-linux setsid">
|
---|
688 | <primary sortas="b-setsid">setsid</primary>
|
---|
689 | </indexterm>
|
---|
690 | </listitem>
|
---|
691 | </varlistentry>
|
---|
692 |
|
---|
693 | <varlistentry id="setterm">
|
---|
694 | <term><command>setterm</command></term>
|
---|
695 | <listitem>
|
---|
696 | <para>Sets terminal attributes</para>
|
---|
697 | <indexterm zone="ch-system-util-linux setterm">
|
---|
698 | <primary sortas="b-setterm">setterm</primary>
|
---|
699 | </indexterm>
|
---|
700 | </listitem>
|
---|
701 | </varlistentry>
|
---|
702 |
|
---|
703 | <varlistentry id="sfdisk">
|
---|
704 | <term><command>sfdisk</command></term>
|
---|
705 | <listitem>
|
---|
706 | <para>A disk partition table manipulator</para>
|
---|
707 | <indexterm zone="ch-system-util-linux sfdisk">
|
---|
708 | <primary sortas="b-sfdisk">sfdisk</primary>
|
---|
709 | </indexterm>
|
---|
710 | </listitem>
|
---|
711 | </varlistentry>
|
---|
712 |
|
---|
713 | <varlistentry id="swapoff">
|
---|
714 | <term><command>swapoff</command></term>
|
---|
715 | <listitem>
|
---|
716 | <para>Disables devices and files for paging and swapping</para>
|
---|
717 | <indexterm zone="ch-system-util-linux swapoff">
|
---|
718 | <primary sortas="b-swapoff">swapoff</primary>
|
---|
719 | </indexterm>
|
---|
720 | </listitem>
|
---|
721 | </varlistentry>
|
---|
722 |
|
---|
723 | <varlistentry id="swapon">
|
---|
724 | <term><command>swapon</command></term>
|
---|
725 | <listitem>
|
---|
726 | <para>Enables devices and files for paging and swapping and
|
---|
727 | lists the devices and files currently in use</para>
|
---|
728 | <indexterm zone="ch-system-util-linux swapon">
|
---|
729 | <primary sortas="b-swapon">swapon</primary>
|
---|
730 | </indexterm>
|
---|
731 | </listitem>
|
---|
732 | </varlistentry>
|
---|
733 |
|
---|
734 | <varlistentry id="tailf">
|
---|
735 | <term><command>tailf</command></term>
|
---|
736 | <listitem>
|
---|
737 | <para>Tracks the growth of a log file. Displays the last 10 lines
|
---|
738 | of a log file, then continues displaying any new entries in the
|
---|
739 | log file as they are created</para>
|
---|
740 | <indexterm zone="ch-system-util-linux tailf">
|
---|
741 | <primary sortas="b-tailf">tailf</primary>
|
---|
742 | </indexterm>
|
---|
743 | </listitem>
|
---|
744 | </varlistentry>
|
---|
745 |
|
---|
746 | <varlistentry id="tunelp">
|
---|
747 | <term><command>tunelp</command></term>
|
---|
748 | <listitem>
|
---|
749 | <para>Tunes the parameters of the line printer</para>
|
---|
750 | <indexterm zone="ch-system-util-linux tunelp">
|
---|
751 | <primary sortas="b-tunelp">tunelp</primary>
|
---|
752 | </indexterm>
|
---|
753 | </listitem>
|
---|
754 | </varlistentry>
|
---|
755 |
|
---|
756 | <varlistentry id="ul">
|
---|
757 | <term><command>ul</command></term>
|
---|
758 | <listitem>
|
---|
759 | <para>A filter for translating underscores into escape sequences
|
---|
760 | indicating underlining for the terminal in use</para>
|
---|
761 | <indexterm zone="ch-system-util-linux ul">
|
---|
762 | <primary sortas="b-ul">ul</primary>
|
---|
763 | </indexterm>
|
---|
764 | </listitem>
|
---|
765 | </varlistentry>
|
---|
766 |
|
---|
767 | <varlistentry id="umount">
|
---|
768 | <term><command>umount</command></term>
|
---|
769 | <listitem>
|
---|
770 | <para>Disconnects a file system from the system's file tree</para>
|
---|
771 | <indexterm zone="ch-system-util-linux umount">
|
---|
772 | <primary sortas="b-umount">umount</primary>
|
---|
773 | </indexterm>
|
---|
774 | </listitem>
|
---|
775 | </varlistentry>
|
---|
776 |
|
---|
777 | <varlistentry id="vidmode">
|
---|
778 | <term><command>vidmode</command></term>
|
---|
779 | <listitem>
|
---|
780 | <para>Sets the video mode in a bootable image</para>
|
---|
781 | <indexterm zone="ch-system-util-linux vidmode">
|
---|
782 | <primary sortas="b-vidmode">vidmode</primary>
|
---|
783 | </indexterm>
|
---|
784 | </listitem>
|
---|
785 | </varlistentry>
|
---|
786 |
|
---|
787 | <varlistentry id="whereis">
|
---|
788 | <term><command>whereis</command></term>
|
---|
789 | <listitem>
|
---|
790 | <para>Reports the location of the binary, source, and man page
|
---|
791 | for the given command</para>
|
---|
792 | <indexterm zone="ch-system-util-linux whereis">
|
---|
793 | <primary sortas="b-whereis">whereis</primary>
|
---|
794 | </indexterm>
|
---|
795 | </listitem>
|
---|
796 | </varlistentry>
|
---|
797 |
|
---|
798 | <varlistentry id="write">
|
---|
799 | <term><command>write</command></term>
|
---|
800 | <listitem>
|
---|
801 | <para>Sends a message to the given user <emphasis>if</emphasis> that
|
---|
802 | user has not disabled receipt of such messages</para>
|
---|
803 | <indexterm zone="ch-system-util-linux write">
|
---|
804 | <primary sortas="b-write">write</primary>
|
---|
805 | </indexterm>
|
---|
806 | </listitem>
|
---|
807 | </varlistentry>
|
---|
808 |
|
---|
809 | </variablelist>
|
---|
810 |
|
---|
811 | </sect2>
|
---|
812 |
|
---|
813 | </sect1>
|
---|