diff options
author | Bruce Dubbs <bdubbs@linuxfromscratch.org> | 2011-02-11 01:19:47 +0000 |
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committer | Bruce Dubbs <bdubbs@linuxfromscratch.org> | 2011-02-11 01:19:47 +0000 |
commit | e1428f313c18c0839399966a96035cc9350d8e93 (patch) | |
tree | abce0e2722b5c94ab29cc7b686df3a74ee12bdf2 /chapter06/util-linux.xml | |
parent | 6f20f64b0eb148c214ee272b758cd3dd7b9c6776 (diff) |
Upgrade to Util-linux-2.19. Changed name from util-linux-ng.
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9459 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter06/util-linux.xml')
-rw-r--r-- | chapter06/util-linux.xml | 1053 |
1 files changed, 1053 insertions, 0 deletions
diff --git a/chapter06/util-linux.xml b/chapter06/util-linux.xml new file mode 100644 index 000000000..43c8b47ae --- /dev/null +++ b/chapter06/util-linux.xml @@ -0,0 +1,1053 @@ +<?xml version="1.0" encoding="ISO-8859-1"?> +<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ + <!ENTITY % general-entities SYSTEM "../general.ent"> + %general-entities; +]> + +<sect1 id="ch-system-util-linux" role="wrap"> + <?dbhtml filename="util-linux.html"?> + + <sect1info condition="script"> + <productname>util-linux</productname> + <productnumber>&util-linux-version;</productnumber> + <address>&util-linux-url;</address> + </sect1info> + + <title>Util-linux-&util-linux-version;</title> + + <indexterm zone="ch-system-util-linux"> + <primary sortas="a-Util-linux">Util-linux</primary> + </indexterm> + + <sect2 role="package"> + <title/> + + <para>The Util-linux package contains miscellaneous utility programs. + Among them are utilities for handling file systems, consoles, partitions, + and messages.</para> + + <segmentedlist> + <segtitle>&buildtime;</segtitle> + <segtitle>&diskspace;</segtitle> + + <seglistitem> + <seg>&util-linux-ch6-sbu;</seg> + <seg>&util-linux-ch6-du;</seg> + </seglistitem> + </segmentedlist> + + </sect2> + + <sect2 role="installation"> + <title>FHS compliance notes</title> + + <para>The FHS recommends using the <filename + class="directory">/var/lib/hwclock</filename> directory instead of the + usual <filename class="directory">/etc</filename> directory as the + location for the <filename>adjtime</filename> file. To make the + <command>hwclock</command> program FHS-compliant, run the + following:</para> + +<screen><userinput remap="pre">sed -e 's@etc/adjtime@var/lib/hwclock/adjtime@g' \ + -i $(grep -rl '/etc/adjtime' .) +mkdir -pv /var/lib/hwclock</userinput></screen> + + </sect2> + + <sect2 role="installation"> + <title>Installation of Util-linux</title> + +<screen><userinput remap="configure">./configure --enable-arch --enable-partx --enable-write</userinput></screen> + + <variablelist> + <title>The meaning of the configure options:</title> + + <varlistentry> + <term><parameter>--enable-arch</parameter></term> + <listitem> + <para>Enables building the <command>arch</command> program</para> + </listitem> + </varlistentry> + <varlistentry> + <term><parameter>--enable-partx</parameter></term> + <listitem> + <para>Enables building the <command>addpart</command>, + <command>delpart</command> and <command>partx</command> + programs</para> + </listitem> + </varlistentry> + <varlistentry> + <term><parameter>--enable-write</parameter></term> + <listitem> + <para>Enables building the <command>write</command> program</para> + </listitem> + </varlistentry> + + </variablelist> + + <para>Compile the package:</para> + +<screen><userinput remap="make">make</userinput></screen> + + <para>This package does not come with a test suite.</para> + + <para>Install the package:</para> + +<screen><userinput remap="install">make install</userinput></screen> + + </sect2> + + <sect2 id="contents-utillinux" role="content"> + <title>Contents of Util-linux</title> + + <segmentedlist> + <segtitle>Installed programs</segtitle> + <segtitle>Installed libraries</segtitle> + <segtitle>Installed directories</segtitle> + + <seglistitem> + <seg>addpart, agetty, arch, blkid, blockdev, cal, cfdisk, chkdupexe, + chrt, col, colcrt, colrm, column, ctrlaltdel, cytune, ddate, delpart, + dmesg, fallocate, fdformat, fdisk, findfs, findmnt, flock, fsck, + fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock, i386, + ionice, ipcmk, ipcrm, ipcs, isosize, ldattach, line, linux32, linux64, + logger, look, losetup, lsblk, lscpu, mcookie, mkfs, mkfs.bfs, mkfs.cramfs, + mkfs.minix, mkswap, more, mount, namei, partx, pg, pivot_root, + readprofile, rename, renice, rev, rtcwake, script, scriptreplay, + setarch, setsid, setterm, sfdisk, swaplabel, swapoff (link to swapon), + swapon, switch_root, tailf, taskset, tunelp, ul, umount, unshare, + uuidd, uuidgen, wall, whereis, wipefs, and write</seg> + <seg>libblkid.{a,so}, libmount.{a,so}, libuuid.{a,so}</seg> + <seg>/usr/share/getopt, /var/lib/hwclock</seg> + </seglistitem> + </segmentedlist> + + <variablelist> + <bridgehead renderas="sect3">Short Descriptions</bridgehead> + <?dbfo list-presentation="list"?> + <?dbhtml list-presentation="table"?> + + <varlistentry id="addpart"> + <term><command>addpart</command></term> + <listitem> + <para>Informs the Linux kernel of new partitions</para> + <indexterm zone="ch-system-util-linux addpart"> + <primary sortas="b-addpart">addpart</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="agetty"> + <term><command>agetty</command></term> + <listitem> + <para>Opens a tty port, prompts for a login name, + and then invokes the <command>login</command> program</para> + <indexterm zone="ch-system-util-linux agetty"> + <primary sortas="b-agetty">agetty</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="arch"> + <term><command>arch</command></term> + <listitem> + <para>Reports the machine's architecture</para> + <indexterm zone="ch-system-util-linux arch"> + <primary sortas="b-arch">arch</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="blkid"> + <term><command>blkid</command></term> + <listitem> + <para>A command line utility to locate and print block device + attributes</para> + <indexterm zone="ch-system-util-linux blkid"> + <primary sortas="b-blkid">blkid</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="blockdev"> + <term><command>blockdev</command></term> + <listitem> + <para>Allows users to call block device ioctls from the command + line</para> + <indexterm zone="ch-system-util-linux blockdev"> + <primary sortas="b-blockdev">blockdev</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="cal"> + <term><command>cal</command></term> + <listitem> + <para>Displays a simple calendar</para> + <indexterm zone="ch-system-util-linux cal"> + <primary sortas="b-cal">cal</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="cfdisk"> + <term><command>cfdisk</command></term> + <listitem> + <para>Manipulates the partition table of the given device</para> + <indexterm zone="ch-system-util-linux cfdisk"> + <primary sortas="b-cfdisk">cfdisk</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="chkdupexe"> + <term><command>chkdupexe</command></term> + <listitem> + <para>Finds duplicate executables</para> + <indexterm zone="ch-system-util-linux chkdupexe"> + <primary sortas="b-chkdupexe">chkdupexe</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="chrt"> + <term><command>chrt</command></term> + <listitem> + <para>Manipulates real-time attributes of a process</para> + <indexterm zone="ch-system-util-linux chrt"> + <primary sortas="b-chrt">chrt</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="col"> + <term><command>col</command></term> + <listitem> + <para>Filters out reverse line feeds</para> + <indexterm zone="ch-system-util-linux col"> + <primary sortas="b-col">col</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="colcrt"> + <term><command>colcrt</command></term> + <listitem> + <para>Filters <command>nroff</command> output for terminals + that lack some capabilities, such as overstriking and half-lines</para> + <indexterm zone="ch-system-util-linux colcrt"> + <primary sortas="b-colcrt">colcrt</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="colrm"> + <term><command>colrm</command></term> + <listitem> + <para>Filters out the given columns</para> + <indexterm zone="ch-system-util-linux colrm"> + <primary sortas="b-colrm">colrm</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="column"> + <term><command>column</command></term> + <listitem> + <para>Formats a given file into multiple columns</para> + <indexterm zone="ch-system-util-linux column"> + <primary sortas="b-column">column</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ctrlaltdel"> + <term><command>ctrlaltdel</command></term> + <listitem> + <para>Sets the function of the Ctrl+Alt+Del key combination to a + hard or a soft reset</para> + <indexterm zone="ch-system-util-linux ctrlaltdel"> + <primary sortas="b-ctrlaltdel">ctrlaltdel</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="cytune"> + <term><command>cytune</command></term> + <listitem> + <para>Tunes the parameters of the serial line drivers for + Cyclades cards</para> + <indexterm zone="ch-system-util-linux cytune"> + <primary sortas="b-cytune">cytune</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ddate"> + <term><command>ddate</command></term> + <listitem> + <para>Gives the Discordian date or converts the given Gregorian date + to a Discordian one</para> + <indexterm zone="ch-system-util-linux ddate"> + <primary sortas="b-ddate">ddate</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="delpart"> + <term><command>delpart</command></term> + <listitem> + <para>Asks the Linux kernel to remove a partition</para> + <indexterm zone="ch-system-util-linux delpart"> + <primary sortas="b-delpart">delpart</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="dmesg"> + <term><command>dmesg</command></term> + <listitem> + <para>Dumps the kernel boot messages</para> + <indexterm zone="ch-system-util-linux dmesg"> + <primary sortas="b-dmesg">dmesg</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fallocate"> + <term><command>fallocate</command></term> + <listitem> + <para>Preallocates space to a file</para> + <indexterm zone="ch-system-util-linux fallocate"> + <primary sortas="b-fallocate">fallocate</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fdformat"> + <term><command>fdformat</command></term> + <listitem> + <para>Low-level formats a floppy disk</para> + <indexterm zone="ch-system-util-linux fdformat"> + <primary sortas="b-fdformat">fdformat</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fdisk"> + <term><command>fdisk</command></term> + <listitem> + <para>Manipulates the paritition table of the given device</para> + <indexterm zone="ch-system-util-linux fdisk"> + <primary sortas="b-fdisk">fdisk</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="findfs"> + <term><command>findfs</command></term> + <listitem> + <para>Finds a file system by label or Universally Unique Identifier + (UUID)</para> + <indexterm zone="ch-system-util-linux findfs"> + <primary sortas="b-findfs">findfs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="findmnt"> + <term><command>findmnt</command></term> + <listitem> + <para>Is a command line interface to the libmount library + for work with mountinfo, fstab and mtab files</para> + <indexterm zone="ch-system-util-linux findmnt"> + <primary sortas="b-findmnt">findmnt</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="flock"> + <term><command>flock</command></term> + <listitem> + <para>Acquires a file lock and then executes a command with the lock + held</para> + <indexterm zone="ch-system-util-linux flock"> + <primary sortas="b-flock">flock</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fsck"> + <term><command>fsck</command></term> + <listitem> + <para>Is used to check, and optionally repair, file systems</para> + <indexterm zone="ch-system-util-linux fsck"> + <primary sortas="b-fsck">fsck</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fsck.cramfs"> + <term><command>fsck.cramfs</command></term> + <listitem> + <para>Performs a consistency check on the Cramfs file system on the + given device</para> + <indexterm zone="ch-system-util-linux fsck.cramfs"> + <primary sortas="b-fsck.cramfs">fsck.cramfs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fsck.minix"> + <term><command>fsck.minix</command></term> + <listitem> + <para>Performs a consistency check on the Minix file system on the + given device</para> + <indexterm zone="ch-system-util-linux fsck.minix"> + <primary sortas="b-fsck.minix">fsck.minix</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fsfreeze"> + <term><command>fsfreeze</command></term> + <listitem> + <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl + kernel driver operations</para> + <indexterm zone="ch-system-util-linux fsfreeze"> + <primary sortas="b-fsfreeze">fsfreeze</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="fstrim"> + <term><command>fstrim</command></term> + <listitem> + <para>Discards unused blocks on a mounted filesystem</para> + <indexterm zone="ch-system-util-linux fstrim"> + <primary sortas="b-fstrim">fstrim</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="getopt"> + <term><command>getopt</command></term> + <listitem> + <para>Parses options in the given command line</para> + <indexterm zone="ch-system-util-linux getopt"> + <primary sortas="b-getopt">getopt</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="hexdump"> + <term><command>hexdump</command></term> + <listitem> + <para>Dumps the given file in hexadecimal or in another given + format</para> + <indexterm zone="ch-system-util-linux hexdump"> + <primary sortas="b-hexdump">hexdump</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="hwclock"> + <term><command>hwclock</command></term> + <listitem> + <para>Reads or sets the system's hardware clock, also called + the Real-Time Clock (RTC) or Basic Input-Output System (BIOS) + clock</para> + <indexterm zone="ch-system-util-linux hwclock"> + <primary sortas="b-hwclock">hwclock</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="i386"> + <term><command>i386</command></term> + <listitem> + <para>A symbolic link to setarch</para> + <indexterm zone="ch-system-util-linux i386"> + <primary sortas="b-i386">i386</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ionice"> + <term><command>ionice</command></term> + <listitem> + <para>Gets or sets the io scheduling class and priority for a program</para> + <indexterm zone="ch-system-util-linux ionice"> + <primary sortas="b-ionice">ionice</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ipcmk"> + <term><command>ipcmk</command></term> + <listitem> + <para>Creates various IPC resources</para> + <indexterm zone="ch-system-util-linux ipcmk"> + <primary sortas="b-ipcmk">ipcmk</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ipcrm"> + <term><command>ipcrm</command></term> + <listitem> + <para>Removes the given Inter-Process Communication (IPC) resource</para> + <indexterm zone="ch-system-util-linux ipcrm"> + <primary sortas="b-ipcrm">ipcrm</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ipcs"> + <term><command>ipcs</command></term> + <listitem> + <para>Provides IPC status information</para> + <indexterm zone="ch-system-util-linux ipcs"> + <primary sortas="b-ipcs">ipcs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="isosize"> + <term><command>isosize</command></term> + <listitem> + <para>Reports the size of an iso9660 file system</para> + <indexterm zone="ch-system-util-linux isosize"> + <primary sortas="b-isosize">isosize</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ldattach"> + <term><command>ldattach</command></term> + <listitem> + <para>Attaches a line discipline to a serial line</para> + <indexterm zone="ch-system-util-linux ldattach"> + <primary sortas="b-ldattach">ldattach</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="line"> + <term><command>line</command></term> + <listitem> + <para>Copies a single line</para> + <indexterm zone="ch-system-util-linux line"> + <primary sortas="b-line">line</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="linux32"> + <term><command>linux32</command></term> + <listitem> + <para>A symbolic link to setarch</para> + <indexterm zone="ch-system-util-linux linux32"> + <primary sortas="b-linux32">linux32</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="linux64"> + <term><command>linux64</command></term> + <listitem> + <para>A symbolic link to setarch</para> + <indexterm zone="ch-system-util-linux linux64"> + <primary sortas="b-linux64">linux64</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="logger"> + <term><command>logger</command></term> + <listitem> + <para>Enters the given message into the system log</para> + <indexterm zone="ch-system-util-linux logger"> + <primary sortas="b-logger">logger</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="look"> + <term><command>look</command></term> + <listitem> + <para>Displays lines that begin with the given string</para> + <indexterm zone="ch-system-util-linux look"> + <primary sortas="b-look">look</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="losetup"> + <term><command>losetup</command></term> + <listitem> + <para>Sets up and controls loop devices</para> + <indexterm zone="ch-system-util-linux losetup"> + <primary sortas="b-losetup">losetup</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="lsblk"> + <term><command>lsblk</command></term> + <listitem> + <para>Lists information about all or selected block devices in + a tree-like format.</para> + <indexterm zone="ch-system-util-linux lsblk"> + <primary sortas="b-lsblk">lsblk</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="lscpu"> + <term><command>lscpu</command></term> + <listitem> + <para>Prints CPU architechture information</para> + <indexterm zone="ch-system-util-linux lscpu"> + <primary sortas="b-lscpu">lscpu</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mcookie"> + <term><command>mcookie</command></term> + <listitem> + <para>Generates magic cookies (128-bit random hexadecimal numbers) for + <command>xauth</command></para> + <indexterm zone="ch-system-util-linux mcookie"> + <primary sortas="b-mcookie">mcookie</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mkfs"> + <term><command>mkfs</command></term> + <listitem> + <para>Builds a file system on a device (usually a hard disk + partition)</para> + <indexterm zone="ch-system-util-linux mkfs"> + <primary sortas="b-mkfs">mkfs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mkfs.bfs"> + <term><command>mkfs.bfs</command></term> + <listitem> + <para>Creates a Santa Cruz Operations (SCO) bfs file system</para> + <indexterm zone="ch-system-util-linux mkfs.bfs"> + <primary sortas="b-mkfs.bfs">mkfs.bfs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mkfs.cramfs"> + <term><command>mkfs.cramfs</command></term> + <listitem> + <para>Creates a cramfs file system</para> + <indexterm zone="ch-system-util-linux mkfs.cramfs"> + <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mkfs.minix"> + <term><command>mkfs.minix</command></term> + <listitem> + <para>Creates a Minix file system</para> + <indexterm zone="ch-system-util-linux mkfs.minix"> + <primary sortas="b-mkfs.minix">mkfs.minix</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mkswap"> + <term><command>mkswap</command></term> + <listitem> + <para>Initializes the given device or file to be used as a swap + area</para> + <indexterm zone="ch-system-util-linux mkswap"> + <primary sortas="b-mkswap">mkswap</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="more"> + <term><command>more</command></term> + <listitem> + <para>A filter for paging through text one screen at a time</para> + <indexterm zone="ch-system-util-linux more"> + <primary sortas="b-more">more</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="mount"> + <term><command>mount</command></term> + <listitem> + <para>Attaches the file system on the given device to a specified + directory in the file-system tree</para> + <indexterm zone="ch-system-util-linux mount"> + <primary sortas="b-mount">mount</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="namei"> + <term><command>namei</command></term> + <listitem> + <para>Shows the symbolic links in the given pathnames</para> + <indexterm zone="ch-system-util-linux namei"> + <primary sortas="b-namei">namei</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="partx"> + <term><command>partx</command></term> + <listitem> + <para>Tells the kernel about the presence and numbering of on-disk + partitions</para> + <indexterm zone="ch-system-util-linux partx"> + <primary sortas="b-partx">partx</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="pg"> + <term><command>pg</command></term> + <listitem> + <para>Displays a text file one screen full at a time</para> + <indexterm zone="ch-system-util-linux pg"> + <primary sortas="b-pg">pg</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="pivot_root"> + <term><command>pivot_root</command></term> + <listitem> + <para>Makes the given file system the new root file system of the + current process</para> + <indexterm zone="ch-system-util-linux pivot_root"> + <primary sortas="b-pivot_root">pivot_root</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="readprofile"> + <term><command>readprofile</command></term> + <listitem> + <para>Reads kernel profiling information</para> + <indexterm zone="ch-system-util-linux readprofile"> + <primary sortas="b-readprofile">readprofile</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="rename"> + <term><command>rename</command></term> + <listitem> + <para>Renames the given files, replacing a given string with + another</para> + <indexterm zone="ch-system-util-linux rename"> + <primary sortas="b-rename">rename</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="renice"> + <term><command>renice</command></term> + <listitem> + <para>Alters the priority of running processes</para> + <indexterm zone="ch-system-util-linux renice"> + <primary sortas="b-renice">renice</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="rev"> + <term><command>rev</command></term> + <listitem> + <para>Reverses the lines of a given file</para> + <indexterm zone="ch-system-util-linux rev"> + <primary sortas="b-rev">rev</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="rtcwake"> + <term><command>rtcwake</command></term> + <listitem> + <para>Used to enter a system sleep state until specified wakeup + time</para> + <indexterm zone="ch-system-util-linux rtcwake"> + <primary sortas="b-rtcwake">rtcwake</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="script"> + <term><command>script</command></term> + <listitem> + <para>Makes a typescript of a terminal session</para> + <indexterm zone="ch-system-util-linux script"> + <primary sortas="b-script">script</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="scriptreplay"> + <term><command>scriptreplay</command></term> + <listitem> + <para>Plays back typescripts using timing information</para> + <indexterm zone="ch-system-util-linux scriptreplay"> + <primary sortas="b-scriptreplay">scriptreplay</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="setarch"> + <term><command>setarch</command></term> + <listitem> + <para>Changes reported architecture in a new program environment and + sets personality flags</para> + <indexterm zone="ch-system-util-linux setarch"> + <primary sortas="b-setarch">setarch</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="setsid"> + <term><command>setsid</command></term> + <listitem> + <para>Runs the given program in a new session</para> + <indexterm zone="ch-system-util-linux setsid"> + <primary sortas="b-setsid">setsid</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="setterm"> + <term><command>setterm</command></term> + <listitem> + <para>Sets terminal attributes</para> + <indexterm zone="ch-system-util-linux setterm"> + <primary sortas="b-setterm">setterm</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="sfdisk"> + <term><command>sfdisk</command></term> + <listitem> + <para>A disk partition table manipulator</para> + <indexterm zone="ch-system-util-linux sfdisk"> + <primary sortas="b-sfdisk">sfdisk</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="swaplabel"> + <term><command>swaplabel</command></term> + <listitem> + <para>Allows to change swaparea UUID and label</para> + <indexterm zone="ch-system-util-linux swaplabel"> + <primary sortas="b-swaplabel">swaplabel</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="swapoff"> + <term><command>swapoff</command></term> + <listitem> + <para>Disables devices and files for paging and swapping</para> + <indexterm zone="ch-system-util-linux swapoff"> + <primary sortas="b-swapoff">swapoff</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="swapon"> + <term><command>swapon</command></term> + <listitem> + <para>Enables devices and files for paging and swapping and + lists the devices and files currently in use</para> + <indexterm zone="ch-system-util-linux swapon"> + <primary sortas="b-swapon">swapon</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="switch_root"> + <term><command>switch_root</command></term> + <listitem> + <para>Switches to another filesystem as the root of the mount tree</para> + <indexterm zone="ch-system-util-linux switch_root"> + <primary sortas="b-switch_root">switch_root</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="tailf"> + <term><command>tailf</command></term> + <listitem> + <para>Tracks the growth of a log file. Displays the last 10 lines + of a log file, then continues displaying any new entries in the + log file as they are created</para> + <indexterm zone="ch-system-util-linux tailf"> + <primary sortas="b-tailf">tailf</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="taskset"> + <term><command>taskset</command></term> + <listitem> + <para>Retrieves or sets a process' CPU affinity</para> + <indexterm zone="ch-system-util-linux taskset"> + <primary sortas="b-taskset">taskset</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="tunelp"> + <term><command>tunelp</command></term> + <listitem> + <para>Tunes the parameters of the line printer</para> + <indexterm zone="ch-system-util-linux tunelp"> + <primary sortas="b-tunelp">tunelp</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="ul"> + <term><command>ul</command></term> + <listitem> + <para>A filter for translating underscores into escape sequences + indicating underlining for the terminal in use</para> + <indexterm zone="ch-system-util-linux ul"> + <primary sortas="b-ul">ul</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="umount"> + <term><command>umount</command></term> + <listitem> + <para>Disconnects a file system from the system's file tree</para> + <indexterm zone="ch-system-util-linux umount"> + <primary sortas="b-umount">umount</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="unshare"> + <term><command>unshare</command></term> + <listitem> + <para>Runs a program with some namespaces unshared from parent</para> + <indexterm zone="ch-system-util-linux unshare"> + <primary sortas="b-unshare">unshare</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="uuidd"> + <term><command>uuidd</command></term> + <listitem> + <para>A daemon used by the UUID library to generate time-based + UUIDs in a secure and guranteed-unique fashion.</para> + <indexterm zone="ch-system-util-linux uuidd"> + <primary sortas="b-uuidd">uuidd</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="uuidgen"> + <term><command>uuidgen</command></term> + <listitem> + <para>Creates new UUIDs. Each new UUID can reasonably be considered + unique among all UUIDs created, on the local system and on other + systems, in the past and in the future</para> + <indexterm zone="ch-system-util-linux uuidgen"> + <primary sortas="b-uuidgen">uuidgen</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="wall"> + <term><command>wall</command></term> + <listitem> + <para>Displays the contents of a file or, by default, its standard + input, on the terminals of all currently logged in users</para> + <indexterm zone="ch-system-util-linux wall"> + <primary sortas="b-wall">wall</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="whereis"> + <term><command>whereis</command></term> + <listitem> + <para>Reports the location of the binary, source, and man page + for the given command</para> + <indexterm zone="ch-system-util-linux whereis"> + <primary sortas="b-whereis">whereis</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="wipefs"> + <term><command>wipefs</command></term> + <listitem> + <para>Wipes a filesystem signature from a device</para> + <indexterm zone="ch-system-util-linux wipefs"> + <primary sortas="b-wipefs">wipefs</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="write"> + <term><command>write</command></term> + <listitem> + <para>Sends a message to the given user <emphasis>if</emphasis> that + user has not disabled receipt of such messages</para> + <indexterm zone="ch-system-util-linux write"> + <primary sortas="b-write">write</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="libblkid"> + <term><filename class="libraryfile">libblkid</filename></term> + <listitem> + <para>Contains routines for device identification and token + extraction</para> + <indexterm zone="ch-system-util-linux libblkid"> + <primary sortas="c-libblkid">libblkid</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="libuuid"> + <term><filename class="libraryfile">libuuid</filename></term> + <listitem> + <para>Contains routines for generating unique identifiers for objects + that may be accessible beyond the local system</para> + <indexterm zone="ch-system-util-linux libuuid"> + <primary sortas="c-libuuid">libuuid</primary> + </indexterm> + </listitem> + </varlistentry> + + </variablelist> + + </sect2> + +</sect1> |