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 | <segmentedlist> |
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25 | <segtitle>&dependencies;</segtitle> |
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26 | |
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27 | <seglistitem> |
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28 | <seg>Bash, Binutils, Coreutils, Diffutils, E2fsprogs, GCC, |
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29 | Gettext, Glibc, Grep, Make, Ncurses, Patch, |
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30 | Sed, and Zlib</seg> |
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31 | </seglistitem> |
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32 | </segmentedlist> |
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33 | |
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34 | </sect2> |
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35 | |
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36 | <sect2 id="fhs-util-linux" role="installation"> |
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37 | <title>FHS compliance notes</title> |
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38 | |
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39 | <para>The FHS recommends using the <filename |
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40 | class="directory">/var/lib/hwclock</filename> directory instead of the |
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41 | usual <filename class="directory">/etc</filename> directory as the |
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42 | location for the <filename>adjtime</filename> file. To make the |
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43 | <command>hwclock</command> program FHS-compliant, run the following:</para> |
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44 | |
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45 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \ |
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46 | hwclock/hwclock.c |
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47 | mkdir -pv /var/lib/hwclock</userinput></screen> |
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48 | |
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49 | </sect2> |
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50 | |
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51 | <sect2 role="installation"> |
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52 | <title>Installation of Util-linux</title> |
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53 | |
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54 | <para os="p1">Util-linux fails to compile against newer versions of |
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55 | Linux-Libc-Headers. The following patch properly fixes this issue:</para> |
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56 | |
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57 | <screen os="p2"><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen> |
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58 | |
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59 | <para os="p3">The following patch fixes build issues with GCC &gcc-version;:</para> |
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60 | |
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61 | <screen os="p4"><userinput>patch -Np1 -i ../&util-linux-gcc4_fixes-patch;</userinput></screen> |
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62 | |
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63 | <para os="p5">Util-linux does not compute the checksum of a sun disklabel |
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64 | properly with gcc-&gcc-version;. The following patch fixes this issue:</para> |
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65 | |
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66 | <screen os="p6"><userinput>patch -Np1 -i ../&util-linux-gcc41_sun_disklabel_fixes.patch;</userinput></screen> |
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67 | |
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68 | <para os="a">Prepare Util-linux for compilation:</para> |
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69 | |
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70 | <screen os="b"><userinput>./configure</userinput></screen> |
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71 | |
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72 | <para os="c">Compile the package:</para> |
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73 | |
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74 | <screen os="d"><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen> |
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75 | |
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76 | <variablelist os="e"> |
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77 | <title>The meaning of the make parameters:</title> |
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78 | |
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79 | <varlistentry os="e1"> |
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80 | <term><parameter>HAVE_KILL=yes</parameter></term> |
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81 | <listitem> |
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82 | <para>This prevents the <command>kill</command> program (already |
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83 | installed by Procps) from being built and installed again.</para> |
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84 | </listitem> |
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85 | </varlistentry> |
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86 | |
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87 | <varlistentry os="e2"> |
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88 | <term><parameter>HAVE_SLN=yes</parameter></term> |
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89 | <listitem> |
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90 | <para>This prevents the <command>sln</command> program (a |
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91 | statically linked version of <command>ln</command> already installed |
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92 | by Glibc) from being built and installed again.</para> |
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93 | </listitem> |
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94 | </varlistentry> |
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95 | |
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96 | </variablelist> |
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97 | |
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98 | <para os="f">This package does not come with a test suite.</para> |
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99 | |
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100 | <para os="g">Install the package and move the <command>logger</command> binary |
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101 | to <filename class="directory">/bin</filename> as it is needed by the |
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102 | LFS-Bootscripts package:</para> |
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103 | |
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104 | <screen os="h"><userinput>make HAVE_KILL=yes HAVE_SLN=yes install |
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105 | mv -v /usr/bin/logger /bin</userinput></screen> |
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106 | |
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107 | </sect2> |
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108 | |
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109 | <sect2 id="contents-util-linux" role="content"> |
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110 | <title>Contents of Util-linux</title> |
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111 | |
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112 | <segmentedlist> |
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113 | <segtitle>Installed programs</segtitle> |
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114 | |
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115 | <seglistitem> |
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116 | <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt, |
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117 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, |
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118 | fdisk, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, |
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119 | ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs, |
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120 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root, |
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121 | ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev, |
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122 | rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk, |
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123 | swapdev, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode |
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124 | (link to rdev), whereis, and write</seg> |
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125 | </seglistitem> |
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126 | </segmentedlist> |
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127 | |
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128 | <variablelist> |
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129 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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130 | <?dbfo list-presentation="list"?> |
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131 | <?dbhtml list-presentation="table"?> |
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132 | |
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133 | <varlistentry id="agetty"> |
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134 | <term><command>agetty</command></term> |
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135 | <listitem> |
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136 | <para>Opens a tty port, prompts for a login name, |
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137 | and then invokes the <command>login</command> program</para> |
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138 | <indexterm zone="ch-system-util-linux agetty"> |
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139 | <primary sortas="b-agetty">agetty</primary> |
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140 | </indexterm> |
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141 | </listitem> |
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142 | </varlistentry> |
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143 | |
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144 | <varlistentry id="arch"> |
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145 | <term><command>arch</command></term> |
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146 | <listitem> |
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147 | <para>Reports the machine's architecture</para> |
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148 | <indexterm zone="ch-system-util-linux arch"> |
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149 | <primary sortas="b-arch">arch</primary> |
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150 | </indexterm> |
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151 | </listitem> |
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152 | </varlistentry> |
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153 | |
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154 | <varlistentry id="blockdev"> |
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155 | <term><command>blockdev</command></term> |
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156 | <listitem> |
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157 | <para>Allows users to call block device ioctls from the command |
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158 | line</para> |
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159 | <indexterm zone="ch-system-util-linux blockdev"> |
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160 | <primary sortas="b-blockdev">blockdev</primary> |
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161 | </indexterm> |
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162 | </listitem> |
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163 | </varlistentry> |
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164 | |
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165 | <varlistentry id="cal"> |
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166 | <term><command>cal</command></term> |
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167 | <listitem> |
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168 | <para>Displays a simple calendar</para> |
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169 | <indexterm zone="ch-system-util-linux cal"> |
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170 | <primary sortas="b-cal">cal</primary> |
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171 | </indexterm> |
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172 | </listitem> |
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173 | </varlistentry> |
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174 | |
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175 | <varlistentry id="cfdisk"> |
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176 | <term><command>cfdisk</command></term> |
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177 | <listitem> |
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178 | <para>Manipulates the partition table of the given device</para> |
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179 | <indexterm zone="ch-system-util-linux cfdisk"> |
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180 | <primary sortas="b-cfdisk">cfdisk</primary> |
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181 | </indexterm> |
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182 | </listitem> |
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183 | </varlistentry> |
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184 | |
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185 | <varlistentry id="chkdupexe"> |
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186 | <term><command>chkdupexe</command></term> |
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187 | <listitem> |
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188 | <para>Finds duplicate executables</para> |
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189 | <indexterm zone="ch-system-util-linux chkdupexe"> |
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190 | <primary sortas="b-chkdupexe">chkdupexe</primary> |
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191 | </indexterm> |
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192 | </listitem> |
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193 | </varlistentry> |
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194 | |
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195 | <varlistentry id="col"> |
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196 | <term><command>col</command></term> |
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197 | <listitem> |
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198 | <para>Filters out reverse line feeds</para> |
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199 | <indexterm zone="ch-system-util-linux col"> |
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200 | <primary sortas="b-col">col</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="colcrt"> |
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206 | <term><command>colcrt</command></term> |
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207 | <listitem> |
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208 | <para>Filters <command>nroff</command> output for terminals |
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209 | that lack some capabilities, such as overstriking and half-lines</para> |
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210 | <indexterm zone="ch-system-util-linux colcrt"> |
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211 | <primary sortas="b-colcrt">colcrt</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="colrm"> |
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217 | <term><command>colrm</command></term> |
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218 | <listitem> |
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219 | <para>Filters out the given columns</para> |
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220 | <indexterm zone="ch-system-util-linux colrm"> |
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221 | <primary sortas="b-colrm">colrm</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="column"> |
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227 | <term><command>column</command></term> |
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228 | <listitem> |
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229 | <para>Formats a given file into multiple columns</para> |
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230 | <indexterm zone="ch-system-util-linux column"> |
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231 | <primary sortas="b-column">column</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="ctrlaltdel"> |
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237 | <term><command>ctrlaltdel</command></term> |
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238 | <listitem> |
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239 | <para>Sets the function of the Ctrl+Alt+Del key combination to a |
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240 | hard or a soft reset</para> |
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241 | <indexterm zone="ch-system-util-linux ctrlaltdel"> |
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242 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary> |
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243 | </indexterm> |
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244 | </listitem> |
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245 | </varlistentry> |
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246 | |
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247 | <varlistentry id="cytune"> |
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248 | <term><command>cytune</command></term> |
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249 | <listitem> |
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250 | <para>Tunes the parameters of the serial line drivers for |
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251 | Cyclades cards</para> |
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252 | <indexterm zone="ch-system-util-linux cytune"> |
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253 | <primary sortas="b-cytune">cytune</primary> |
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254 | </indexterm> |
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255 | </listitem> |
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256 | </varlistentry> |
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257 | |
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258 | <varlistentry id="ddate"> |
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259 | <term><command>ddate</command></term> |
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260 | <listitem> |
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261 | <para>Gives the Discordian date or converts the given Gregorian date |
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262 | to a Discordian one</para> |
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263 | <indexterm zone="ch-system-util-linux ddate"> |
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264 | <primary sortas="b-ddate">ddate</primary> |
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265 | </indexterm> |
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266 | </listitem> |
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267 | </varlistentry> |
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268 | |
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269 | <varlistentry id="dmesg"> |
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270 | <term><command>dmesg</command></term> |
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271 | <listitem> |
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272 | <para>Dumps the kernel boot messages</para> |
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273 | <indexterm zone="ch-system-util-linux dmesg"> |
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274 | <primary sortas="b-dmesg">dmesg</primary> |
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275 | </indexterm> |
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276 | </listitem> |
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277 | </varlistentry> |
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278 | |
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279 | <varlistentry id="elvtune"> |
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280 | <term><command>elvtune</command></term> |
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281 | <listitem> |
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282 | <para>Tunes the performance and interactivity of a block |
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283 | device</para> |
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284 | <indexterm zone="ch-system-util-linux elvtune"> |
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285 | <primary sortas="b-elvtune">elvtune</primary> |
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286 | </indexterm> |
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287 | </listitem> |
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288 | </varlistentry> |
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289 | |
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290 | <varlistentry id="fdformat"> |
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291 | <term><command>fdformat</command></term> |
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292 | <listitem> |
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293 | <para>Low-level formats a floppy disk</para> |
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294 | <indexterm zone="ch-system-util-linux fdformat"> |
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295 | <primary sortas="b-fdformat">fdformat</primary> |
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296 | </indexterm> |
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297 | </listitem> |
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298 | </varlistentry> |
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299 | |
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300 | <varlistentry id="fdisk"> |
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301 | <term><command>fdisk</command></term> |
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302 | <listitem> |
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303 | <para>Manipulates the partition table of the given device</para> |
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304 | <indexterm zone="ch-system-util-linux fdisk"> |
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305 | <primary sortas="b-fdisk">fdisk</primary> |
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306 | </indexterm> |
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307 | </listitem> |
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308 | </varlistentry> |
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309 | |
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310 | <varlistentry id="fsck.cramfs"> |
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311 | <term><command>fsck.cramfs</command></term> |
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312 | <listitem> |
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313 | <para>Performs a consistency check on the Cramfs file system on the |
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314 | given device</para> |
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315 | <indexterm zone="ch-system-util-linux fsck.cramfs"> |
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316 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary> |
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317 | </indexterm> |
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318 | </listitem> |
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319 | </varlistentry> |
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320 | |
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321 | <varlistentry id="fsck.minix"> |
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322 | <term><command>fsck.minix</command></term> |
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323 | <listitem> |
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324 | <para>Performs a consistency check on the Minix file system on the |
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325 | given device</para> |
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326 | <indexterm zone="ch-system-util-linux fsck.minix"> |
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327 | <primary sortas="b-fsck.minix">fsck.minix</primary> |
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328 | </indexterm> |
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329 | </listitem> |
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330 | </varlistentry> |
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331 | |
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332 | <varlistentry id="getopt"> |
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333 | <term><command>getopt</command></term> |
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334 | <listitem> |
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335 | <para>Parses options in the given command line</para> |
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336 | <indexterm zone="ch-system-util-linux getopt"> |
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337 | <primary sortas="b-getopt">getopt</primary> |
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338 | </indexterm> |
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339 | </listitem> |
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340 | </varlistentry> |
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341 | |
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342 | <varlistentry id="hexdump"> |
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343 | <term><command>hexdump</command></term> |
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344 | <listitem> |
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345 | <para>Dumps the given file in hexadecimal or in another given |
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346 | format</para> |
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347 | <indexterm zone="ch-system-util-linux hexdump"> |
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348 | <primary sortas="b-hexdump">hexdump</primary> |
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349 | </indexterm> |
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350 | </listitem> |
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351 | </varlistentry> |
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352 | |
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353 | <varlistentry id="hwclock"> |
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354 | <term><command>hwclock</command></term> |
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355 | <listitem> |
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356 | <para>Reads or sets the system's hardware clock, also called |
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357 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS) |
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358 | clock</para> |
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359 | <indexterm zone="ch-system-util-linux hwclock"> |
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360 | <primary sortas="b-hwclock">hwclock</primary> |
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361 | </indexterm> |
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362 | </listitem> |
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363 | </varlistentry> |
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364 | |
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365 | <varlistentry id="ipcrm"> |
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366 | <term><command>ipcrm</command></term> |
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367 | <listitem> |
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368 | <para>Removes the given Inter-Process Communication (IPC) resource</para> |
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369 | <indexterm zone="ch-system-util-linux ipcrm"> |
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370 | <primary sortas="b-ipcrm">ipcrm</primary> |
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371 | </indexterm> |
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372 | </listitem> |
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373 | </varlistentry> |
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374 | |
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375 | <varlistentry id="ipcs"> |
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376 | <term><command>ipcs</command></term> |
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377 | <listitem> |
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378 | <para>Provides IPC status information</para> |
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379 | <indexterm zone="ch-system-util-linux ipcs"> |
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380 | <primary sortas="b-ipcs">ipcs</primary> |
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381 | </indexterm> |
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382 | </listitem> |
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383 | </varlistentry> |
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384 | |
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385 | <varlistentry id="isosize"> |
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386 | <term><command>isosize</command></term> |
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387 | <listitem> |
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388 | <para>Reports the size of an iso9660 file system</para> |
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389 | <indexterm zone="ch-system-util-linux isosize"> |
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390 | <primary sortas="b-isosize">isosize</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="line"> |
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396 | <term><command>line</command></term> |
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397 | <listitem> |
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398 | <para>Copies a single line</para> |
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399 | <indexterm zone="ch-system-util-linux line"> |
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400 | <primary sortas="b-line">line</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="logger"> |
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406 | <term><command>logger</command></term> |
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407 | <listitem> |
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408 | <para>Enters the given message into the system log</para> |
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409 | <indexterm zone="ch-system-util-linux logger"> |
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410 | <primary sortas="b-logger">logger</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="look"> |
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416 | <term><command>look</command></term> |
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417 | <listitem> |
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418 | <para>Displays lines that begin with the given string</para> |
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419 | <indexterm zone="ch-system-util-linux look"> |
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420 | <primary sortas="b-look">look</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="losetup"> |
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426 | <term><command>losetup</command></term> |
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427 | <listitem> |
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428 | <para>Sets up and controls loop devices</para> |
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429 | <indexterm zone="ch-system-util-linux losetup"> |
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430 | <primary sortas="b-losetup">losetup</primary> |
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431 | </indexterm> |
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432 | </listitem> |
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433 | </varlistentry> |
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434 | |
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435 | <varlistentry id="mcookie"> |
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436 | <term><command>mcookie</command></term> |
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437 | <listitem> |
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438 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for |
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439 | <command>xauth</command></para> |
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440 | <indexterm zone="ch-system-util-linux mcookie"> |
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441 | <primary sortas="b-mcookie">mcookie</primary> |
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442 | </indexterm> |
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443 | </listitem> |
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444 | </varlistentry> |
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445 | |
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446 | <varlistentry id="mkfs"> |
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447 | <term><command>mkfs</command></term> |
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448 | <listitem> |
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449 | <para>Builds a file system on a device (usually a hard disk |
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450 | partition)</para> |
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451 | <indexterm zone="ch-system-util-linux mkfs"> |
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452 | <primary sortas="b-mkfs">mkfs</primary> |
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453 | </indexterm> |
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454 | </listitem> |
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455 | </varlistentry> |
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456 | |
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457 | <varlistentry id="mkfs.bfs"> |
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458 | <term><command>mkfs.bfs</command></term> |
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459 | <listitem> |
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460 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para> |
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461 | <indexterm zone="ch-system-util-linux mkfs.bfs"> |
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462 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary> |
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463 | </indexterm> |
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464 | </listitem> |
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465 | </varlistentry> |
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466 | |
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467 | <varlistentry id="mkfs.cramfs"> |
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468 | <term><command>mkfs.cramfs</command></term> |
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469 | <listitem> |
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470 | <para>Creates a cramfs file system</para> |
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471 | <indexterm zone="ch-system-util-linux mkfs.cramfs"> |
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472 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary> |
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473 | </indexterm> |
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474 | </listitem> |
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475 | </varlistentry> |
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476 | |
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477 | <varlistentry id="mkfs.minix"> |
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478 | <term><command>mkfs.minix</command></term> |
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479 | <listitem> |
---|
480 | <para>Creates a Minix file system</para> |
---|
481 | <indexterm zone="ch-system-util-linux mkfs.minix"> |
---|
482 | <primary sortas="b-mkfs.minix">mkfs.minix</primary> |
---|
483 | </indexterm> |
---|
484 | </listitem> |
---|
485 | </varlistentry> |
---|
486 | |
---|
487 | <varlistentry id="mkswap"> |
---|
488 | <term><command>mkswap</command></term> |
---|
489 | <listitem> |
---|
490 | <para>Initializes the given device or file to be used as a swap |
---|
491 | area</para> |
---|
492 | <indexterm zone="ch-system-util-linux mkswap"> |
---|
493 | <primary sortas="b-mkswap">mkswap</primary> |
---|
494 | </indexterm> |
---|
495 | </listitem> |
---|
496 | </varlistentry> |
---|
497 | |
---|
498 | <varlistentry id="more"> |
---|
499 | <term><command>more</command></term> |
---|
500 | <listitem> |
---|
501 | <para>A filter for paging through text one screen at a time</para> |
---|
502 | <indexterm zone="ch-system-util-linux more"> |
---|
503 | <primary sortas="b-more">more</primary> |
---|
504 | </indexterm> |
---|
505 | </listitem> |
---|
506 | </varlistentry> |
---|
507 | |
---|
508 | <varlistentry id="mount"> |
---|
509 | <term><command>mount</command></term> |
---|
510 | <listitem> |
---|
511 | <para>Attaches the file system on the given device to a specified |
---|
512 | directory in the file-system tree</para> |
---|
513 | <indexterm zone="ch-system-util-linux mount"> |
---|
514 | <primary sortas="b-mount">mount</primary> |
---|
515 | </indexterm> |
---|
516 | </listitem> |
---|
517 | </varlistentry> |
---|
518 | |
---|
519 | <varlistentry id="namei"> |
---|
520 | <term><command>namei</command></term> |
---|
521 | <listitem> |
---|
522 | <para>Shows the symbolic links in the given pathnames</para> |
---|
523 | <indexterm zone="ch-system-util-linux namei"> |
---|
524 | <primary sortas="b-namei">namei</primary> |
---|
525 | </indexterm> |
---|
526 | </listitem> |
---|
527 | </varlistentry> |
---|
528 | |
---|
529 | <varlistentry id="pg"> |
---|
530 | <term><command>pg</command></term> |
---|
531 | <listitem> |
---|
532 | <para>Displays a text file one screen full at a time</para> |
---|
533 | <indexterm zone="ch-system-util-linux pg"> |
---|
534 | <primary sortas="b-pg">pg</primary> |
---|
535 | </indexterm> |
---|
536 | </listitem> |
---|
537 | </varlistentry> |
---|
538 | |
---|
539 | <varlistentry id="pivot_root"> |
---|
540 | <term><command>pivot_root</command></term> |
---|
541 | <listitem> |
---|
542 | <para>Makes the given file system the new root file system of the |
---|
543 | current process</para> |
---|
544 | <indexterm zone="ch-system-util-linux pivot_root"> |
---|
545 | <primary sortas="b-pivot_root">pivot_root</primary> |
---|
546 | </indexterm> |
---|
547 | </listitem> |
---|
548 | </varlistentry> |
---|
549 | |
---|
550 | <varlistentry id="ramsize"> |
---|
551 | <term><command>ramsize</command></term> |
---|
552 | <listitem> |
---|
553 | <para>Sets the size of the RAM disk in a bootable image</para> |
---|
554 | <indexterm zone="ch-system-util-linux ramsize"> |
---|
555 | <primary sortas="b-ramsize">ramsize</primary> |
---|
556 | </indexterm> |
---|
557 | </listitem> |
---|
558 | </varlistentry> |
---|
559 | |
---|
560 | <varlistentry id="raw"> |
---|
561 | <term><command>raw</command></term> |
---|
562 | <listitem> |
---|
563 | <para>Used to bind a Linux raw character device to a block |
---|
564 | device</para> |
---|
565 | <indexterm zone="ch-system-util-linux raw"> |
---|
566 | <primary sortas="b-raw">raw</primary> |
---|
567 | </indexterm> |
---|
568 | </listitem> |
---|
569 | </varlistentry> |
---|
570 | |
---|
571 | <varlistentry id="rdev"> |
---|
572 | <term><command>rdev</command></term> |
---|
573 | <listitem> |
---|
574 | <para>Queries and sets the root device, among other things, in a |
---|
575 | bootable image</para> |
---|
576 | <indexterm zone="ch-system-util-linux rdev"> |
---|
577 | <primary sortas="b-rdev">rdev</primary> |
---|
578 | </indexterm> |
---|
579 | </listitem> |
---|
580 | </varlistentry> |
---|
581 | |
---|
582 | <varlistentry id="readprofile"> |
---|
583 | <term><command>readprofile</command></term> |
---|
584 | <listitem> |
---|
585 | <para>Reads kernel profiling information</para> |
---|
586 | <indexterm zone="ch-system-util-linux readprofile"> |
---|
587 | <primary sortas="b-readprofile">readprofile</primary> |
---|
588 | </indexterm> |
---|
589 | </listitem> |
---|
590 | </varlistentry> |
---|
591 | |
---|
592 | <varlistentry id="rename"> |
---|
593 | <term><command>rename</command></term> |
---|
594 | <listitem> |
---|
595 | <para>Renames the given files, replacing a given string with |
---|
596 | another</para> |
---|
597 | <indexterm zone="ch-system-util-linux rename"> |
---|
598 | <primary sortas="b-rename">rename</primary> |
---|
599 | </indexterm> |
---|
600 | </listitem> |
---|
601 | </varlistentry> |
---|
602 | |
---|
603 | <varlistentry id="renice"> |
---|
604 | <term><command>renice</command></term> |
---|
605 | <listitem> |
---|
606 | <para>Alters the priority of running processes</para> |
---|
607 | <indexterm zone="ch-system-util-linux renice"> |
---|
608 | <primary sortas="b-renice">renice</primary> |
---|
609 | </indexterm> |
---|
610 | </listitem> |
---|
611 | </varlistentry> |
---|
612 | |
---|
613 | <varlistentry id="rev"> |
---|
614 | <term><command>rev</command></term> |
---|
615 | <listitem> |
---|
616 | <para>Reverses the lines of a given file</para> |
---|
617 | <indexterm zone="ch-system-util-linux rev"> |
---|
618 | <primary sortas="b-rev">rev</primary> |
---|
619 | </indexterm> |
---|
620 | </listitem> |
---|
621 | </varlistentry> |
---|
622 | |
---|
623 | <varlistentry id="rootflags"> |
---|
624 | <term><command>rootflags</command></term> |
---|
625 | <listitem> |
---|
626 | <para>Sets the rootflags in a bootable image</para> |
---|
627 | <indexterm zone="ch-system-util-linux rootflags"> |
---|
628 | <primary sortas="b-rootflags">rootflags</primary> |
---|
629 | </indexterm> |
---|
630 | </listitem> |
---|
631 | </varlistentry> |
---|
632 | |
---|
633 | <varlistentry id="script"> |
---|
634 | <term><command>script</command></term> |
---|
635 | <listitem> |
---|
636 | <para>Makes a typescript of a terminal session</para> |
---|
637 | <indexterm zone="ch-system-util-linux script"> |
---|
638 | <primary sortas="b-script">script</primary> |
---|
639 | </indexterm> |
---|
640 | </listitem> |
---|
641 | </varlistentry> |
---|
642 | |
---|
643 | <varlistentry id="setfdprm"> |
---|
644 | <term><command>setfdprm</command></term> |
---|
645 | <listitem> |
---|
646 | <para>Sets user-provided floppy disk parameters</para> |
---|
647 | <indexterm zone="ch-system-util-linux setfdprm"> |
---|
648 | <primary sortas="b-setfdprm">setfdprm</primary> |
---|
649 | </indexterm> |
---|
650 | </listitem> |
---|
651 | </varlistentry> |
---|
652 | |
---|
653 | <varlistentry id="setsid"> |
---|
654 | <term><command>setsid</command></term> |
---|
655 | <listitem> |
---|
656 | <para>Runs the given program in a new session</para> |
---|
657 | <indexterm zone="ch-system-util-linux setsid"> |
---|
658 | <primary sortas="b-setsid">setsid</primary> |
---|
659 | </indexterm> |
---|
660 | </listitem> |
---|
661 | </varlistentry> |
---|
662 | |
---|
663 | <varlistentry id="setterm"> |
---|
664 | <term><command>setterm</command></term> |
---|
665 | <listitem> |
---|
666 | <para>Sets terminal attributes</para> |
---|
667 | <indexterm zone="ch-system-util-linux setterm"> |
---|
668 | <primary sortas="b-setterm">setterm</primary> |
---|
669 | </indexterm> |
---|
670 | </listitem> |
---|
671 | </varlistentry> |
---|
672 | |
---|
673 | <varlistentry id="sfdisk"> |
---|
674 | <term><command>sfdisk</command></term> |
---|
675 | <listitem> |
---|
676 | <para>A disk partition table manipulator</para> |
---|
677 | <indexterm zone="ch-system-util-linux sfdisk"> |
---|
678 | <primary sortas="b-sfdisk">sfdisk</primary> |
---|
679 | </indexterm> |
---|
680 | </listitem> |
---|
681 | </varlistentry> |
---|
682 | |
---|
683 | <varlistentry id="swapdev"> |
---|
684 | <term><command>swapdev</command></term> |
---|
685 | <listitem> |
---|
686 | <para>Sets the swap device in a bootable image</para> |
---|
687 | <indexterm zone="ch-system-util-linux swapdev"> |
---|
688 | <primary sortas="b-swapdev">swapdev</primary> |
---|
689 | </indexterm> |
---|
690 | </listitem> |
---|
691 | </varlistentry> |
---|
692 | |
---|
693 | <varlistentry id="swapoff"> |
---|
694 | <term><command>swapoff</command></term> |
---|
695 | <listitem> |
---|
696 | <para>Disables devices and files for paging and swapping</para> |
---|
697 | <indexterm zone="ch-system-util-linux swapoff"> |
---|
698 | <primary sortas="b-swapoff">swapoff</primary> |
---|
699 | </indexterm> |
---|
700 | </listitem> |
---|
701 | </varlistentry> |
---|
702 | |
---|
703 | <varlistentry id="swapon"> |
---|
704 | <term><command>swapon</command></term> |
---|
705 | <listitem> |
---|
706 | <para>Enables devices and files for paging and swapping and |
---|
707 | lists the devices and files currently in use</para> |
---|
708 | <indexterm zone="ch-system-util-linux swapon"> |
---|
709 | <primary sortas="b-swapon">swapon</primary> |
---|
710 | </indexterm> |
---|
711 | </listitem> |
---|
712 | </varlistentry> |
---|
713 | |
---|
714 | <varlistentry id="tunelp"> |
---|
715 | <term><command>tunelp</command></term> |
---|
716 | <listitem> |
---|
717 | <para>Tunes the parameters of the line printer</para> |
---|
718 | <indexterm zone="ch-system-util-linux tunelp"> |
---|
719 | <primary sortas="b-tunelp">tunelp</primary> |
---|
720 | </indexterm> |
---|
721 | </listitem> |
---|
722 | </varlistentry> |
---|
723 | |
---|
724 | <varlistentry id="ul"> |
---|
725 | <term><command>ul</command></term> |
---|
726 | <listitem> |
---|
727 | <para>A filter for translating underscores into escape sequences |
---|
728 | indicating underlining for the terminal in use</para> |
---|
729 | <indexterm zone="ch-system-util-linux ul"> |
---|
730 | <primary sortas="b-ul">ul</primary> |
---|
731 | </indexterm> |
---|
732 | </listitem> |
---|
733 | </varlistentry> |
---|
734 | |
---|
735 | <varlistentry id="umount"> |
---|
736 | <term><command>umount</command></term> |
---|
737 | <listitem> |
---|
738 | <para>Disconnects a file system from the system's file tree</para> |
---|
739 | <indexterm zone="ch-system-util-linux umount"> |
---|
740 | <primary sortas="b-umount">umount</primary> |
---|
741 | </indexterm> |
---|
742 | </listitem> |
---|
743 | </varlistentry> |
---|
744 | |
---|
745 | <varlistentry id="vidmode"> |
---|
746 | <term><command>vidmode</command></term> |
---|
747 | <listitem> |
---|
748 | <para>Sets the video mode in a bootable image</para> |
---|
749 | <indexterm zone="ch-system-util-linux vidmode"> |
---|
750 | <primary sortas="b-vidmode">vidmode</primary> |
---|
751 | </indexterm> |
---|
752 | </listitem> |
---|
753 | </varlistentry> |
---|
754 | |
---|
755 | <varlistentry id="whereis"> |
---|
756 | <term><command>whereis</command></term> |
---|
757 | <listitem> |
---|
758 | <para>Reports the location of the binary, source, and man page |
---|
759 | for the given command</para> |
---|
760 | <indexterm zone="ch-system-util-linux whereis"> |
---|
761 | <primary sortas="b-whereis">whereis</primary> |
---|
762 | </indexterm> |
---|
763 | </listitem> |
---|
764 | </varlistentry> |
---|
765 | |
---|
766 | <varlistentry id="write"> |
---|
767 | <term><command>write</command></term> |
---|
768 | <listitem> |
---|
769 | <para>Sends a message to the given user <emphasis>if</emphasis> that |
---|
770 | user has not disabled receipt of such messages</para> |
---|
771 | <indexterm zone="ch-system-util-linux write"> |
---|
772 | <primary sortas="b-write">write</primary> |
---|
773 | </indexterm> |
---|
774 | </listitem> |
---|
775 | </varlistentry> |
---|
776 | |
---|
777 | </variablelist> |
---|
778 | |
---|
779 | </sect2> |
---|
780 | |
---|
781 | </sect1> |
---|