| [bf8c11f] | 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>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \ | 
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|  | 37 | hwclock/hwclock.c | 
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| [761ad5b] | 38 | mkdir -pv /var/lib/hwclock</userinput></screen> | 
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| [bf8c11f] | 39 |  | 
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|  | 40 | </sect2> | 
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|  | 41 |  | 
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|  | 42 | <sect2 role="installation"> | 
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|  | 43 | <title>Installation of Util-linux</title> | 
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|  | 44 |  | 
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| [e6423a01] | 45 | <para os="p1">Util-linux fails to compile against newer versions of | 
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| [3992491] | 46 | Linux kernel headers. The following patch properly fixes this issue:</para> | 
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| [bf8c11f] | 47 |  | 
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| [e6423a01] | 48 | <screen os="p2"><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen> | 
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| [bf8c11f] | 49 |  | 
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| [45ac04d2] | 50 | <para os="p3">The following patch fixes build issues with GCC &gcc-version;:</para> | 
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| [bf8c11f] | 51 |  | 
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| [e6423a01] | 52 | <screen os="p4"><userinput>patch -Np1 -i ../&util-linux-gcc4_fixes-patch;</userinput></screen> | 
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| [bf8c11f] | 53 |  | 
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| [5616325] | 54 | <para os="p5">The following patch fixes swapon.c, it tries to find the variable R_OK, but | 
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|  | 55 | the header that has R_OK is not included:</para> | 
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|  | 56 |  | 
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|  | 57 | <screen os="p6"><userinput>patch -Np1 -i ../&util-linux-missing_header-patch;</userinput></screen> | 
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|  | 58 |  | 
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| [e6423a01] | 59 | <para os="a">Prepare Util-linux for compilation:</para> | 
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| [bf8c11f] | 60 |  | 
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| [e6423a01] | 61 | <screen os="b"><userinput>./configure</userinput></screen> | 
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| [bf8c11f] | 62 |  | 
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| [e6423a01] | 63 | <para os="c">Compile the package:</para> | 
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| [bf8c11f] | 64 |  | 
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| [e6423a01] | 65 | <screen os="d"><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen> | 
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| [bf8c11f] | 66 |  | 
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| [e6423a01] | 67 | <variablelist os="e"> | 
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| [bf8c11f] | 68 | <title>The meaning of the make parameters:</title> | 
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|  | 69 |  | 
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| [e6423a01] | 70 | <varlistentry os="e1"> | 
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| [bf8c11f] | 71 | <term><parameter>HAVE_KILL=yes</parameter></term> | 
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|  | 72 | <listitem> | 
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|  | 73 | <para>This prevents the <command>kill</command> program (already | 
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|  | 74 | installed by Procps) from being built and installed again.</para> | 
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|  | 75 | </listitem> | 
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|  | 76 | </varlistentry> | 
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|  | 77 |  | 
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| [e6423a01] | 78 | <varlistentry os="e2"> | 
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| [bf8c11f] | 79 | <term><parameter>HAVE_SLN=yes</parameter></term> | 
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|  | 80 | <listitem> | 
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|  | 81 | <para>This prevents the <command>sln</command> program (a | 
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|  | 82 | statically linked version of <command>ln</command> already installed | 
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|  | 83 | by Glibc) 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 | </variablelist> | 
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|  | 88 |  | 
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| [e6423a01] | 89 | <para os="f">This package does not come with a test suite.</para> | 
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| [bf8c11f] | 90 |  | 
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| [e6423a01] | 91 | <para os="g">Install the package and move the <command>logger</command> binary | 
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| [bf8c11f] | 92 | to <filename class="directory">/bin</filename> as it is needed by the | 
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| [b71fa50] | 93 | CLFS-Bootscripts package:</para> | 
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| [bf8c11f] | 94 |  | 
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| [e6423a01] | 95 | <screen os="h"><userinput>make HAVE_KILL=yes HAVE_SLN=yes install | 
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| [9f5bc2cc] | 96 | mv -v /usr/bin/logger /bin</userinput></screen> | 
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| [bf8c11f] | 97 |  | 
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|  | 98 | </sect2> | 
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|  | 99 |  | 
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|  | 100 | <sect2 id="contents-util-linux" role="content"> | 
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|  | 101 | <title>Contents of Util-linux</title> | 
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|  | 102 |  | 
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|  | 103 | <segmentedlist> | 
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|  | 104 | <segtitle>Installed programs</segtitle> | 
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|  | 105 |  | 
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|  | 106 | <seglistitem> | 
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|  | 107 | <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt, | 
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|  | 108 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, | 
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| [1e3f8a7] | 109 | fdisk, flock, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, | 
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| [bf8c11f] | 110 | ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs, | 
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|  | 111 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root, | 
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|  | 112 | ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev, | 
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|  | 113 | rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk, | 
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| [1e3f8a7] | 114 | swapoff (link to swapon), swapon, tailf, tunelp, ul, umount, vidmode | 
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| [bf8c11f] | 115 | (link to rdev), whereis, and write</seg> | 
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|  | 116 | </seglistitem> | 
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|  | 117 | </segmentedlist> | 
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|  | 118 |  | 
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|  | 119 | <variablelist> | 
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|  | 120 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> | 
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|  | 121 | <?dbfo list-presentation="list"?> | 
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|  | 122 | <?dbhtml list-presentation="table"?> | 
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|  | 123 |  | 
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|  | 124 | <varlistentry id="agetty"> | 
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|  | 125 | <term><command>agetty</command></term> | 
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|  | 126 | <listitem> | 
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|  | 127 | <para>Opens a tty port, prompts for a login name, | 
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|  | 128 | and then invokes the <command>login</command> program</para> | 
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|  | 129 | <indexterm zone="ch-system-util-linux agetty"> | 
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|  | 130 | <primary sortas="b-agetty">agetty</primary> | 
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|  | 131 | </indexterm> | 
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|  | 132 | </listitem> | 
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|  | 133 | </varlistentry> | 
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|  | 134 |  | 
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|  | 135 | <varlistentry id="arch"> | 
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|  | 136 | <term><command>arch</command></term> | 
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|  | 137 | <listitem> | 
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|  | 138 | <para>Reports the machine's architecture</para> | 
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|  | 139 | <indexterm zone="ch-system-util-linux arch"> | 
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|  | 140 | <primary sortas="b-arch">arch</primary> | 
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|  | 141 | </indexterm> | 
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|  | 142 | </listitem> | 
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|  | 143 | </varlistentry> | 
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|  | 144 |  | 
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|  | 145 | <varlistentry id="blockdev"> | 
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|  | 146 | <term><command>blockdev</command></term> | 
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|  | 147 | <listitem> | 
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|  | 148 | <para>Allows users to call block device ioctls from the command | 
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|  | 149 | line</para> | 
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|  | 150 | <indexterm zone="ch-system-util-linux blockdev"> | 
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|  | 151 | <primary sortas="b-blockdev">blockdev</primary> | 
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|  | 152 | </indexterm> | 
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|  | 153 | </listitem> | 
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|  | 154 | </varlistentry> | 
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|  | 155 |  | 
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|  | 156 | <varlistentry id="cal"> | 
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|  | 157 | <term><command>cal</command></term> | 
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|  | 158 | <listitem> | 
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|  | 159 | <para>Displays a simple calendar</para> | 
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|  | 160 | <indexterm zone="ch-system-util-linux cal"> | 
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|  | 161 | <primary sortas="b-cal">cal</primary> | 
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|  | 162 | </indexterm> | 
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|  | 163 | </listitem> | 
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|  | 164 | </varlistentry> | 
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|  | 165 |  | 
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|  | 166 | <varlistentry id="cfdisk"> | 
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|  | 167 | <term><command>cfdisk</command></term> | 
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|  | 168 | <listitem> | 
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|  | 169 | <para>Manipulates the partition table of the given device</para> | 
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|  | 170 | <indexterm zone="ch-system-util-linux cfdisk"> | 
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|  | 171 | <primary sortas="b-cfdisk">cfdisk</primary> | 
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|  | 172 | </indexterm> | 
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|  | 173 | </listitem> | 
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|  | 174 | </varlistentry> | 
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|  | 175 |  | 
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|  | 176 | <varlistentry id="chkdupexe"> | 
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|  | 177 | <term><command>chkdupexe</command></term> | 
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|  | 178 | <listitem> | 
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|  | 179 | <para>Finds duplicate executables</para> | 
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|  | 180 | <indexterm zone="ch-system-util-linux chkdupexe"> | 
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|  | 181 | <primary sortas="b-chkdupexe">chkdupexe</primary> | 
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|  | 182 | </indexterm> | 
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|  | 183 | </listitem> | 
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|  | 184 | </varlistentry> | 
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|  | 185 |  | 
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|  | 186 | <varlistentry id="col"> | 
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|  | 187 | <term><command>col</command></term> | 
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|  | 188 | <listitem> | 
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|  | 189 | <para>Filters out reverse line feeds</para> | 
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|  | 190 | <indexterm zone="ch-system-util-linux col"> | 
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|  | 191 | <primary sortas="b-col">col</primary> | 
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|  | 192 | </indexterm> | 
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|  | 193 | </listitem> | 
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|  | 194 | </varlistentry> | 
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|  | 195 |  | 
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|  | 196 | <varlistentry id="colcrt"> | 
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|  | 197 | <term><command>colcrt</command></term> | 
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|  | 198 | <listitem> | 
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|  | 199 | <para>Filters <command>nroff</command> output for terminals | 
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|  | 200 | that lack some capabilities, such as overstriking and half-lines</para> | 
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|  | 201 | <indexterm zone="ch-system-util-linux colcrt"> | 
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|  | 202 | <primary sortas="b-colcrt">colcrt</primary> | 
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|  | 203 | </indexterm> | 
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|  | 204 | </listitem> | 
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|  | 205 | </varlistentry> | 
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|  | 206 |  | 
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|  | 207 | <varlistentry id="colrm"> | 
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|  | 208 | <term><command>colrm</command></term> | 
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|  | 209 | <listitem> | 
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|  | 210 | <para>Filters out the given columns</para> | 
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|  | 211 | <indexterm zone="ch-system-util-linux colrm"> | 
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|  | 212 | <primary sortas="b-colrm">colrm</primary> | 
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|  | 213 | </indexterm> | 
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|  | 214 | </listitem> | 
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|  | 215 | </varlistentry> | 
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|  | 216 |  | 
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|  | 217 | <varlistentry id="column"> | 
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|  | 218 | <term><command>column</command></term> | 
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|  | 219 | <listitem> | 
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|  | 220 | <para>Formats a given file into multiple columns</para> | 
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|  | 221 | <indexterm zone="ch-system-util-linux column"> | 
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|  | 222 | <primary sortas="b-column">column</primary> | 
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|  | 223 | </indexterm> | 
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|  | 224 | </listitem> | 
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|  | 225 | </varlistentry> | 
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|  | 226 |  | 
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|  | 227 | <varlistentry id="ctrlaltdel"> | 
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|  | 228 | <term><command>ctrlaltdel</command></term> | 
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|  | 229 | <listitem> | 
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|  | 230 | <para>Sets the function of the Ctrl+Alt+Del key combination to a | 
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|  | 231 | hard or a soft reset</para> | 
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|  | 232 | <indexterm zone="ch-system-util-linux ctrlaltdel"> | 
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|  | 233 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary> | 
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|  | 234 | </indexterm> | 
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|  | 235 | </listitem> | 
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|  | 236 | </varlistentry> | 
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|  | 237 |  | 
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|  | 238 | <varlistentry id="cytune"> | 
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|  | 239 | <term><command>cytune</command></term> | 
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|  | 240 | <listitem> | 
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|  | 241 | <para>Tunes the parameters of the serial line drivers for | 
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|  | 242 | Cyclades cards</para> | 
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|  | 243 | <indexterm zone="ch-system-util-linux cytune"> | 
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|  | 244 | <primary sortas="b-cytune">cytune</primary> | 
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|  | 245 | </indexterm> | 
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|  | 246 | </listitem> | 
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|  | 247 | </varlistentry> | 
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|  | 248 |  | 
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|  | 249 | <varlistentry id="ddate"> | 
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|  | 250 | <term><command>ddate</command></term> | 
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|  | 251 | <listitem> | 
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|  | 252 | <para>Gives the Discordian date or converts the given Gregorian date | 
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|  | 253 | to a Discordian one</para> | 
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|  | 254 | <indexterm zone="ch-system-util-linux ddate"> | 
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|  | 255 | <primary sortas="b-ddate">ddate</primary> | 
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|  | 256 | </indexterm> | 
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|  | 257 | </listitem> | 
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|  | 258 | </varlistentry> | 
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|  | 259 |  | 
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|  | 260 | <varlistentry id="dmesg"> | 
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|  | 261 | <term><command>dmesg</command></term> | 
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|  | 262 | <listitem> | 
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|  | 263 | <para>Dumps the kernel boot messages</para> | 
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|  | 264 | <indexterm zone="ch-system-util-linux dmesg"> | 
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|  | 265 | <primary sortas="b-dmesg">dmesg</primary> | 
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|  | 266 | </indexterm> | 
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|  | 267 | </listitem> | 
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|  | 268 | </varlistentry> | 
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|  | 269 |  | 
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|  | 270 | <varlistentry id="elvtune"> | 
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|  | 271 | <term><command>elvtune</command></term> | 
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|  | 272 | <listitem> | 
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|  | 273 | <para>Tunes the performance and interactivity of a block | 
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|  | 274 | device</para> | 
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|  | 275 | <indexterm zone="ch-system-util-linux elvtune"> | 
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|  | 276 | <primary sortas="b-elvtune">elvtune</primary> | 
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|  | 277 | </indexterm> | 
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|  | 278 | </listitem> | 
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|  | 279 | </varlistentry> | 
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|  | 280 |  | 
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|  | 281 | <varlistentry id="fdformat"> | 
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|  | 282 | <term><command>fdformat</command></term> | 
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|  | 283 | <listitem> | 
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|  | 284 | <para>Low-level formats a floppy disk</para> | 
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|  | 285 | <indexterm zone="ch-system-util-linux fdformat"> | 
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|  | 286 | <primary sortas="b-fdformat">fdformat</primary> | 
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|  | 287 | </indexterm> | 
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|  | 288 | </listitem> | 
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|  | 289 | </varlistentry> | 
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|  | 290 |  | 
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|  | 291 | <varlistentry id="fdisk"> | 
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|  | 292 | <term><command>fdisk</command></term> | 
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|  | 293 | <listitem> | 
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|  | 294 | <para>Manipulates the partition table of the given device</para> | 
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|  | 295 | <indexterm zone="ch-system-util-linux fdisk"> | 
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|  | 296 | <primary sortas="b-fdisk">fdisk</primary> | 
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|  | 297 | </indexterm> | 
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|  | 298 | </listitem> | 
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|  | 299 | </varlistentry> | 
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|  | 300 |  | 
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| [1e3f8a7] | 301 | <varlistentry id="flock"> | 
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|  | 302 | <term><command>flock</command></term> | 
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|  | 303 | <listitem> | 
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|  | 304 | <para>Acquires a file lock and then executes a command with the lock | 
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|  | 305 | held</para> | 
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|  | 306 | <indexterm zone="ch-system-util-linux flock"> | 
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|  | 307 | <primary sortas="b-flock">flock</primary> | 
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|  | 308 | </indexterm> | 
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|  | 309 | </listitem> | 
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|  | 310 | </varlistentry> | 
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|  | 311 |  | 
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| [bf8c11f] | 312 | <varlistentry id="fsck.cramfs"> | 
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|  | 313 | <term><command>fsck.cramfs</command></term> | 
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|  | 314 | <listitem> | 
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|  | 315 | <para>Performs a consistency check on the Cramfs file system on the | 
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|  | 316 | given device</para> | 
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|  | 317 | <indexterm zone="ch-system-util-linux fsck.cramfs"> | 
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|  | 318 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary> | 
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|  | 319 | </indexterm> | 
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|  | 320 | </listitem> | 
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|  | 321 | </varlistentry> | 
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|  | 322 |  | 
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|  | 323 | <varlistentry id="fsck.minix"> | 
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|  | 324 | <term><command>fsck.minix</command></term> | 
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|  | 325 | <listitem> | 
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|  | 326 | <para>Performs a consistency check on the Minix file system on the | 
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|  | 327 | given device</para> | 
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|  | 328 | <indexterm zone="ch-system-util-linux fsck.minix"> | 
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|  | 329 | <primary sortas="b-fsck.minix">fsck.minix</primary> | 
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|  | 330 | </indexterm> | 
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|  | 331 | </listitem> | 
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|  | 332 | </varlistentry> | 
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|  | 333 |  | 
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|  | 334 | <varlistentry id="getopt"> | 
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|  | 335 | <term><command>getopt</command></term> | 
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|  | 336 | <listitem> | 
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|  | 337 | <para>Parses options in the given command line</para> | 
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|  | 338 | <indexterm zone="ch-system-util-linux getopt"> | 
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|  | 339 | <primary sortas="b-getopt">getopt</primary> | 
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|  | 340 | </indexterm> | 
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|  | 341 | </listitem> | 
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|  | 342 | </varlistentry> | 
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|  | 343 |  | 
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|  | 344 | <varlistentry id="hexdump"> | 
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|  | 345 | <term><command>hexdump</command></term> | 
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|  | 346 | <listitem> | 
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|  | 347 | <para>Dumps the given file in hexadecimal or in another given | 
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|  | 348 | format</para> | 
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|  | 349 | <indexterm zone="ch-system-util-linux hexdump"> | 
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|  | 350 | <primary sortas="b-hexdump">hexdump</primary> | 
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|  | 351 | </indexterm> | 
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|  | 352 | </listitem> | 
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|  | 353 | </varlistentry> | 
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|  | 354 |  | 
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|  | 355 | <varlistentry id="hwclock"> | 
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|  | 356 | <term><command>hwclock</command></term> | 
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|  | 357 | <listitem> | 
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|  | 358 | <para>Reads or sets the system's hardware clock, also called | 
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|  | 359 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS) | 
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|  | 360 | clock</para> | 
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|  | 361 | <indexterm zone="ch-system-util-linux hwclock"> | 
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|  | 362 | <primary sortas="b-hwclock">hwclock</primary> | 
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|  | 363 | </indexterm> | 
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|  | 364 | </listitem> | 
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|  | 365 | </varlistentry> | 
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|  | 366 |  | 
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|  | 367 | <varlistentry id="ipcrm"> | 
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|  | 368 | <term><command>ipcrm</command></term> | 
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|  | 369 | <listitem> | 
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|  | 370 | <para>Removes the given Inter-Process Communication (IPC) resource</para> | 
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|  | 371 | <indexterm zone="ch-system-util-linux ipcrm"> | 
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|  | 372 | <primary sortas="b-ipcrm">ipcrm</primary> | 
|---|
|  | 373 | </indexterm> | 
|---|
|  | 374 | </listitem> | 
|---|
|  | 375 | </varlistentry> | 
|---|
|  | 376 |  | 
|---|
|  | 377 | <varlistentry id="ipcs"> | 
|---|
|  | 378 | <term><command>ipcs</command></term> | 
|---|
|  | 379 | <listitem> | 
|---|
|  | 380 | <para>Provides IPC status information</para> | 
|---|
|  | 381 | <indexterm zone="ch-system-util-linux ipcs"> | 
|---|
|  | 382 | <primary sortas="b-ipcs">ipcs</primary> | 
|---|
|  | 383 | </indexterm> | 
|---|
|  | 384 | </listitem> | 
|---|
|  | 385 | </varlistentry> | 
|---|
|  | 386 |  | 
|---|
|  | 387 | <varlistentry id="isosize"> | 
|---|
|  | 388 | <term><command>isosize</command></term> | 
|---|
|  | 389 | <listitem> | 
|---|
|  | 390 | <para>Reports the size of an iso9660 file system</para> | 
|---|
|  | 391 | <indexterm zone="ch-system-util-linux isosize"> | 
|---|
|  | 392 | <primary sortas="b-isosize">isosize</primary> | 
|---|
|  | 393 | </indexterm> | 
|---|
|  | 394 | </listitem> | 
|---|
|  | 395 | </varlistentry> | 
|---|
|  | 396 |  | 
|---|
|  | 397 | <varlistentry id="line"> | 
|---|
|  | 398 | <term><command>line</command></term> | 
|---|
|  | 399 | <listitem> | 
|---|
|  | 400 | <para>Copies a single line</para> | 
|---|
|  | 401 | <indexterm zone="ch-system-util-linux line"> | 
|---|
|  | 402 | <primary sortas="b-line">line</primary> | 
|---|
|  | 403 | </indexterm> | 
|---|
|  | 404 | </listitem> | 
|---|
|  | 405 | </varlistentry> | 
|---|
|  | 406 |  | 
|---|
|  | 407 | <varlistentry id="logger"> | 
|---|
|  | 408 | <term><command>logger</command></term> | 
|---|
|  | 409 | <listitem> | 
|---|
|  | 410 | <para>Enters the given message into the system log</para> | 
|---|
|  | 411 | <indexterm zone="ch-system-util-linux logger"> | 
|---|
|  | 412 | <primary sortas="b-logger">logger</primary> | 
|---|
|  | 413 | </indexterm> | 
|---|
|  | 414 | </listitem> | 
|---|
|  | 415 | </varlistentry> | 
|---|
|  | 416 |  | 
|---|
|  | 417 | <varlistentry id="look"> | 
|---|
|  | 418 | <term><command>look</command></term> | 
|---|
|  | 419 | <listitem> | 
|---|
|  | 420 | <para>Displays lines that begin with the given string</para> | 
|---|
|  | 421 | <indexterm zone="ch-system-util-linux look"> | 
|---|
|  | 422 | <primary sortas="b-look">look</primary> | 
|---|
|  | 423 | </indexterm> | 
|---|
|  | 424 | </listitem> | 
|---|
|  | 425 | </varlistentry> | 
|---|
|  | 426 |  | 
|---|
|  | 427 | <varlistentry id="losetup"> | 
|---|
|  | 428 | <term><command>losetup</command></term> | 
|---|
|  | 429 | <listitem> | 
|---|
|  | 430 | <para>Sets up and controls loop devices</para> | 
|---|
|  | 431 | <indexterm zone="ch-system-util-linux losetup"> | 
|---|
|  | 432 | <primary sortas="b-losetup">losetup</primary> | 
|---|
|  | 433 | </indexterm> | 
|---|
|  | 434 | </listitem> | 
|---|
|  | 435 | </varlistentry> | 
|---|
|  | 436 |  | 
|---|
|  | 437 | <varlistentry id="mcookie"> | 
|---|
|  | 438 | <term><command>mcookie</command></term> | 
|---|
|  | 439 | <listitem> | 
|---|
|  | 440 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for | 
|---|
|  | 441 | <command>xauth</command></para> | 
|---|
|  | 442 | <indexterm zone="ch-system-util-linux mcookie"> | 
|---|
|  | 443 | <primary sortas="b-mcookie">mcookie</primary> | 
|---|
|  | 444 | </indexterm> | 
|---|
|  | 445 | </listitem> | 
|---|
|  | 446 | </varlistentry> | 
|---|
|  | 447 |  | 
|---|
|  | 448 | <varlistentry id="mkfs"> | 
|---|
|  | 449 | <term><command>mkfs</command></term> | 
|---|
|  | 450 | <listitem> | 
|---|
|  | 451 | <para>Builds a file system on a device (usually a hard disk | 
|---|
|  | 452 | partition)</para> | 
|---|
|  | 453 | <indexterm zone="ch-system-util-linux mkfs"> | 
|---|
|  | 454 | <primary sortas="b-mkfs">mkfs</primary> | 
|---|
|  | 455 | </indexterm> | 
|---|
|  | 456 | </listitem> | 
|---|
|  | 457 | </varlistentry> | 
|---|
|  | 458 |  | 
|---|
|  | 459 | <varlistentry id="mkfs.bfs"> | 
|---|
|  | 460 | <term><command>mkfs.bfs</command></term> | 
|---|
|  | 461 | <listitem> | 
|---|
|  | 462 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para> | 
|---|
|  | 463 | <indexterm zone="ch-system-util-linux mkfs.bfs"> | 
|---|
|  | 464 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary> | 
|---|
|  | 465 | </indexterm> | 
|---|
|  | 466 | </listitem> | 
|---|
|  | 467 | </varlistentry> | 
|---|
|  | 468 |  | 
|---|
|  | 469 | <varlistentry id="mkfs.cramfs"> | 
|---|
|  | 470 | <term><command>mkfs.cramfs</command></term> | 
|---|
|  | 471 | <listitem> | 
|---|
|  | 472 | <para>Creates a cramfs file system</para> | 
|---|
|  | 473 | <indexterm zone="ch-system-util-linux mkfs.cramfs"> | 
|---|
|  | 474 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary> | 
|---|
|  | 475 | </indexterm> | 
|---|
|  | 476 | </listitem> | 
|---|
|  | 477 | </varlistentry> | 
|---|
|  | 478 |  | 
|---|
|  | 479 | <varlistentry id="mkfs.minix"> | 
|---|
|  | 480 | <term><command>mkfs.minix</command></term> | 
|---|
|  | 481 | <listitem> | 
|---|
|  | 482 | <para>Creates a Minix file system</para> | 
|---|
|  | 483 | <indexterm zone="ch-system-util-linux mkfs.minix"> | 
|---|
|  | 484 | <primary sortas="b-mkfs.minix">mkfs.minix</primary> | 
|---|
|  | 485 | </indexterm> | 
|---|
|  | 486 | </listitem> | 
|---|
|  | 487 | </varlistentry> | 
|---|
|  | 488 |  | 
|---|
|  | 489 | <varlistentry id="mkswap"> | 
|---|
|  | 490 | <term><command>mkswap</command></term> | 
|---|
|  | 491 | <listitem> | 
|---|
|  | 492 | <para>Initializes the given device or file to be used as a swap | 
|---|
|  | 493 | area</para> | 
|---|
|  | 494 | <indexterm zone="ch-system-util-linux mkswap"> | 
|---|
|  | 495 | <primary sortas="b-mkswap">mkswap</primary> | 
|---|
|  | 496 | </indexterm> | 
|---|
|  | 497 | </listitem> | 
|---|
|  | 498 | </varlistentry> | 
|---|
|  | 499 |  | 
|---|
|  | 500 | <varlistentry id="more"> | 
|---|
|  | 501 | <term><command>more</command></term> | 
|---|
|  | 502 | <listitem> | 
|---|
|  | 503 | <para>A filter for paging through text one screen at a time</para> | 
|---|
|  | 504 | <indexterm zone="ch-system-util-linux more"> | 
|---|
|  | 505 | <primary sortas="b-more">more</primary> | 
|---|
|  | 506 | </indexterm> | 
|---|
|  | 507 | </listitem> | 
|---|
|  | 508 | </varlistentry> | 
|---|
|  | 509 |  | 
|---|
|  | 510 | <varlistentry id="mount"> | 
|---|
|  | 511 | <term><command>mount</command></term> | 
|---|
|  | 512 | <listitem> | 
|---|
|  | 513 | <para>Attaches the file system on the given device to a specified | 
|---|
|  | 514 | directory in the file-system tree</para> | 
|---|
|  | 515 | <indexterm zone="ch-system-util-linux mount"> | 
|---|
|  | 516 | <primary sortas="b-mount">mount</primary> | 
|---|
|  | 517 | </indexterm> | 
|---|
|  | 518 | </listitem> | 
|---|
|  | 519 | </varlistentry> | 
|---|
|  | 520 |  | 
|---|
|  | 521 | <varlistentry id="namei"> | 
|---|
|  | 522 | <term><command>namei</command></term> | 
|---|
|  | 523 | <listitem> | 
|---|
|  | 524 | <para>Shows the symbolic links in the given pathnames</para> | 
|---|
|  | 525 | <indexterm zone="ch-system-util-linux namei"> | 
|---|
|  | 526 | <primary sortas="b-namei">namei</primary> | 
|---|
|  | 527 | </indexterm> | 
|---|
|  | 528 | </listitem> | 
|---|
|  | 529 | </varlistentry> | 
|---|
|  | 530 |  | 
|---|
|  | 531 | <varlistentry id="pg"> | 
|---|
|  | 532 | <term><command>pg</command></term> | 
|---|
|  | 533 | <listitem> | 
|---|
|  | 534 | <para>Displays a text file one screen full at a time</para> | 
|---|
|  | 535 | <indexterm zone="ch-system-util-linux pg"> | 
|---|
|  | 536 | <primary sortas="b-pg">pg</primary> | 
|---|
|  | 537 | </indexterm> | 
|---|
|  | 538 | </listitem> | 
|---|
|  | 539 | </varlistentry> | 
|---|
|  | 540 |  | 
|---|
|  | 541 | <varlistentry id="pivot_root"> | 
|---|
|  | 542 | <term><command>pivot_root</command></term> | 
|---|
|  | 543 | <listitem> | 
|---|
|  | 544 | <para>Makes the given file system the new root file system of the | 
|---|
|  | 545 | current process</para> | 
|---|
|  | 546 | <indexterm zone="ch-system-util-linux pivot_root"> | 
|---|
|  | 547 | <primary sortas="b-pivot_root">pivot_root</primary> | 
|---|
|  | 548 | </indexterm> | 
|---|
|  | 549 | </listitem> | 
|---|
|  | 550 | </varlistentry> | 
|---|
|  | 551 |  | 
|---|
|  | 552 | <varlistentry id="ramsize"> | 
|---|
|  | 553 | <term><command>ramsize</command></term> | 
|---|
|  | 554 | <listitem> | 
|---|
|  | 555 | <para>Sets the size of the RAM disk in a bootable image</para> | 
|---|
|  | 556 | <indexterm zone="ch-system-util-linux ramsize"> | 
|---|
|  | 557 | <primary sortas="b-ramsize">ramsize</primary> | 
|---|
|  | 558 | </indexterm> | 
|---|
|  | 559 | </listitem> | 
|---|
|  | 560 | </varlistentry> | 
|---|
|  | 561 |  | 
|---|
|  | 562 | <varlistentry id="raw"> | 
|---|
|  | 563 | <term><command>raw</command></term> | 
|---|
|  | 564 | <listitem> | 
|---|
|  | 565 | <para>Used to bind a Linux raw character device to a block | 
|---|
|  | 566 | device</para> | 
|---|
|  | 567 | <indexterm zone="ch-system-util-linux raw"> | 
|---|
|  | 568 | <primary sortas="b-raw">raw</primary> | 
|---|
|  | 569 | </indexterm> | 
|---|
|  | 570 | </listitem> | 
|---|
|  | 571 | </varlistentry> | 
|---|
|  | 572 |  | 
|---|
|  | 573 | <varlistentry id="rdev"> | 
|---|
|  | 574 | <term><command>rdev</command></term> | 
|---|
|  | 575 | <listitem> | 
|---|
|  | 576 | <para>Queries and sets the root device, among other things, in a | 
|---|
|  | 577 | bootable image</para> | 
|---|
|  | 578 | <indexterm zone="ch-system-util-linux rdev"> | 
|---|
|  | 579 | <primary sortas="b-rdev">rdev</primary> | 
|---|
|  | 580 | </indexterm> | 
|---|
|  | 581 | </listitem> | 
|---|
|  | 582 | </varlistentry> | 
|---|
|  | 583 |  | 
|---|
|  | 584 | <varlistentry id="readprofile"> | 
|---|
|  | 585 | <term><command>readprofile</command></term> | 
|---|
|  | 586 | <listitem> | 
|---|
|  | 587 | <para>Reads kernel profiling information</para> | 
|---|
|  | 588 | <indexterm zone="ch-system-util-linux readprofile"> | 
|---|
|  | 589 | <primary sortas="b-readprofile">readprofile</primary> | 
|---|
|  | 590 | </indexterm> | 
|---|
|  | 591 | </listitem> | 
|---|
|  | 592 | </varlistentry> | 
|---|
|  | 593 |  | 
|---|
|  | 594 | <varlistentry id="rename"> | 
|---|
|  | 595 | <term><command>rename</command></term> | 
|---|
|  | 596 | <listitem> | 
|---|
|  | 597 | <para>Renames the given files, replacing a given string with | 
|---|
|  | 598 | another</para> | 
|---|
|  | 599 | <indexterm zone="ch-system-util-linux rename"> | 
|---|
|  | 600 | <primary sortas="b-rename">rename</primary> | 
|---|
|  | 601 | </indexterm> | 
|---|
|  | 602 | </listitem> | 
|---|
|  | 603 | </varlistentry> | 
|---|
|  | 604 |  | 
|---|
|  | 605 | <varlistentry id="renice"> | 
|---|
|  | 606 | <term><command>renice</command></term> | 
|---|
|  | 607 | <listitem> | 
|---|
|  | 608 | <para>Alters the priority of running processes</para> | 
|---|
|  | 609 | <indexterm zone="ch-system-util-linux renice"> | 
|---|
|  | 610 | <primary sortas="b-renice">renice</primary> | 
|---|
|  | 611 | </indexterm> | 
|---|
|  | 612 | </listitem> | 
|---|
|  | 613 | </varlistentry> | 
|---|
|  | 614 |  | 
|---|
|  | 615 | <varlistentry id="rev"> | 
|---|
|  | 616 | <term><command>rev</command></term> | 
|---|
|  | 617 | <listitem> | 
|---|
|  | 618 | <para>Reverses the lines of a given file</para> | 
|---|
|  | 619 | <indexterm zone="ch-system-util-linux rev"> | 
|---|
|  | 620 | <primary sortas="b-rev">rev</primary> | 
|---|
|  | 621 | </indexterm> | 
|---|
|  | 622 | </listitem> | 
|---|
|  | 623 | </varlistentry> | 
|---|
|  | 624 |  | 
|---|
|  | 625 | <varlistentry id="rootflags"> | 
|---|
|  | 626 | <term><command>rootflags</command></term> | 
|---|
|  | 627 | <listitem> | 
|---|
|  | 628 | <para>Sets the rootflags in a bootable image</para> | 
|---|
|  | 629 | <indexterm zone="ch-system-util-linux rootflags"> | 
|---|
|  | 630 | <primary sortas="b-rootflags">rootflags</primary> | 
|---|
|  | 631 | </indexterm> | 
|---|
|  | 632 | </listitem> | 
|---|
|  | 633 | </varlistentry> | 
|---|
|  | 634 |  | 
|---|
|  | 635 | <varlistentry id="script"> | 
|---|
|  | 636 | <term><command>script</command></term> | 
|---|
|  | 637 | <listitem> | 
|---|
|  | 638 | <para>Makes a typescript of a terminal session</para> | 
|---|
|  | 639 | <indexterm zone="ch-system-util-linux script"> | 
|---|
|  | 640 | <primary sortas="b-script">script</primary> | 
|---|
|  | 641 | </indexterm> | 
|---|
|  | 642 | </listitem> | 
|---|
|  | 643 | </varlistentry> | 
|---|
|  | 644 |  | 
|---|
|  | 645 | <varlistentry id="setfdprm"> | 
|---|
|  | 646 | <term><command>setfdprm</command></term> | 
|---|
|  | 647 | <listitem> | 
|---|
|  | 648 | <para>Sets user-provided floppy disk parameters</para> | 
|---|
|  | 649 | <indexterm zone="ch-system-util-linux setfdprm"> | 
|---|
|  | 650 | <primary sortas="b-setfdprm">setfdprm</primary> | 
|---|
|  | 651 | </indexterm> | 
|---|
|  | 652 | </listitem> | 
|---|
|  | 653 | </varlistentry> | 
|---|
|  | 654 |  | 
|---|
|  | 655 | <varlistentry id="setsid"> | 
|---|
|  | 656 | <term><command>setsid</command></term> | 
|---|
|  | 657 | <listitem> | 
|---|
|  | 658 | <para>Runs the given program in a new session</para> | 
|---|
|  | 659 | <indexterm zone="ch-system-util-linux setsid"> | 
|---|
|  | 660 | <primary sortas="b-setsid">setsid</primary> | 
|---|
|  | 661 | </indexterm> | 
|---|
|  | 662 | </listitem> | 
|---|
|  | 663 | </varlistentry> | 
|---|
|  | 664 |  | 
|---|
|  | 665 | <varlistentry id="setterm"> | 
|---|
|  | 666 | <term><command>setterm</command></term> | 
|---|
|  | 667 | <listitem> | 
|---|
|  | 668 | <para>Sets terminal attributes</para> | 
|---|
|  | 669 | <indexterm zone="ch-system-util-linux setterm"> | 
|---|
|  | 670 | <primary sortas="b-setterm">setterm</primary> | 
|---|
|  | 671 | </indexterm> | 
|---|
|  | 672 | </listitem> | 
|---|
|  | 673 | </varlistentry> | 
|---|
|  | 674 |  | 
|---|
|  | 675 | <varlistentry id="sfdisk"> | 
|---|
|  | 676 | <term><command>sfdisk</command></term> | 
|---|
|  | 677 | <listitem> | 
|---|
|  | 678 | <para>A disk partition table manipulator</para> | 
|---|
|  | 679 | <indexterm zone="ch-system-util-linux sfdisk"> | 
|---|
|  | 680 | <primary sortas="b-sfdisk">sfdisk</primary> | 
|---|
|  | 681 | </indexterm> | 
|---|
|  | 682 | </listitem> | 
|---|
|  | 683 | </varlistentry> | 
|---|
|  | 684 |  | 
|---|
|  | 685 | <varlistentry id="swapoff"> | 
|---|
|  | 686 | <term><command>swapoff</command></term> | 
|---|
|  | 687 | <listitem> | 
|---|
|  | 688 | <para>Disables devices and files for paging and swapping</para> | 
|---|
|  | 689 | <indexterm zone="ch-system-util-linux swapoff"> | 
|---|
|  | 690 | <primary sortas="b-swapoff">swapoff</primary> | 
|---|
|  | 691 | </indexterm> | 
|---|
|  | 692 | </listitem> | 
|---|
|  | 693 | </varlistentry> | 
|---|
|  | 694 |  | 
|---|
|  | 695 | <varlistentry id="swapon"> | 
|---|
|  | 696 | <term><command>swapon</command></term> | 
|---|
|  | 697 | <listitem> | 
|---|
|  | 698 | <para>Enables devices and files for paging and swapping and | 
|---|
|  | 699 | lists the devices and files currently in use</para> | 
|---|
|  | 700 | <indexterm zone="ch-system-util-linux swapon"> | 
|---|
|  | 701 | <primary sortas="b-swapon">swapon</primary> | 
|---|
|  | 702 | </indexterm> | 
|---|
|  | 703 | </listitem> | 
|---|
|  | 704 | </varlistentry> | 
|---|
|  | 705 |  | 
|---|
| [1e3f8a7] | 706 | <varlistentry id="tailf"> | 
|---|
|  | 707 | <term><command>tailf</command></term> | 
|---|
|  | 708 | <listitem> | 
|---|
|  | 709 | <para>Tracks the growth of a log file. Displays the last 10 lines | 
|---|
|  | 710 | of a log file, then continues displaying any new entries in the | 
|---|
|  | 711 | log file as they are created</para> | 
|---|
|  | 712 | <indexterm zone="ch-system-util-linux tailf"> | 
|---|
|  | 713 | <primary sortas="b-tailf">tailf</primary> | 
|---|
|  | 714 | </indexterm> | 
|---|
|  | 715 | </listitem> | 
|---|
|  | 716 | </varlistentry> | 
|---|
|  | 717 |  | 
|---|
| [bf8c11f] | 718 | <varlistentry id="tunelp"> | 
|---|
|  | 719 | <term><command>tunelp</command></term> | 
|---|
|  | 720 | <listitem> | 
|---|
|  | 721 | <para>Tunes the parameters of the line printer</para> | 
|---|
|  | 722 | <indexterm zone="ch-system-util-linux tunelp"> | 
|---|
|  | 723 | <primary sortas="b-tunelp">tunelp</primary> | 
|---|
|  | 724 | </indexterm> | 
|---|
|  | 725 | </listitem> | 
|---|
|  | 726 | </varlistentry> | 
|---|
|  | 727 |  | 
|---|
|  | 728 | <varlistentry id="ul"> | 
|---|
|  | 729 | <term><command>ul</command></term> | 
|---|
|  | 730 | <listitem> | 
|---|
|  | 731 | <para>A filter for translating underscores into escape sequences | 
|---|
|  | 732 | indicating underlining for the terminal in use</para> | 
|---|
|  | 733 | <indexterm zone="ch-system-util-linux ul"> | 
|---|
|  | 734 | <primary sortas="b-ul">ul</primary> | 
|---|
|  | 735 | </indexterm> | 
|---|
|  | 736 | </listitem> | 
|---|
|  | 737 | </varlistentry> | 
|---|
|  | 738 |  | 
|---|
|  | 739 | <varlistentry id="umount"> | 
|---|
|  | 740 | <term><command>umount</command></term> | 
|---|
|  | 741 | <listitem> | 
|---|
|  | 742 | <para>Disconnects a file system from the system's file tree</para> | 
|---|
|  | 743 | <indexterm zone="ch-system-util-linux umount"> | 
|---|
|  | 744 | <primary sortas="b-umount">umount</primary> | 
|---|
|  | 745 | </indexterm> | 
|---|
|  | 746 | </listitem> | 
|---|
|  | 747 | </varlistentry> | 
|---|
|  | 748 |  | 
|---|
|  | 749 | <varlistentry id="vidmode"> | 
|---|
|  | 750 | <term><command>vidmode</command></term> | 
|---|
|  | 751 | <listitem> | 
|---|
|  | 752 | <para>Sets the video mode in a bootable image</para> | 
|---|
|  | 753 | <indexterm zone="ch-system-util-linux vidmode"> | 
|---|
|  | 754 | <primary sortas="b-vidmode">vidmode</primary> | 
|---|
|  | 755 | </indexterm> | 
|---|
|  | 756 | </listitem> | 
|---|
|  | 757 | </varlistentry> | 
|---|
|  | 758 |  | 
|---|
|  | 759 | <varlistentry id="whereis"> | 
|---|
|  | 760 | <term><command>whereis</command></term> | 
|---|
|  | 761 | <listitem> | 
|---|
|  | 762 | <para>Reports the location of the binary, source, and man page | 
|---|
|  | 763 | for the given command</para> | 
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|  | 764 | <indexterm zone="ch-system-util-linux whereis"> | 
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|  | 765 | <primary sortas="b-whereis">whereis</primary> | 
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|  | 766 | </indexterm> | 
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|  | 767 | </listitem> | 
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|  | 768 | </varlistentry> | 
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|  | 769 |  | 
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|  | 770 | <varlistentry id="write"> | 
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|  | 771 | <term><command>write</command></term> | 
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|  | 772 | <listitem> | 
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|  | 773 | <para>Sends a message to the given user <emphasis>if</emphasis> that | 
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|  | 774 | user has not disabled receipt of such messages</para> | 
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|  | 775 | <indexterm zone="ch-system-util-linux write"> | 
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|  | 776 | <primary sortas="b-write">write</primary> | 
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|  | 777 | </indexterm> | 
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|  | 778 | </listitem> | 
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|  | 779 | </varlistentry> | 
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|  | 780 |  | 
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|  | 781 | </variablelist> | 
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|  | 782 |  | 
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|  | 783 | </sect2> | 
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|  | 784 |  | 
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|  | 785 | </sect1> | 
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