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-<?xml version="1.0" encoding="ISO-8859-1"?>
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-<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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- "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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- <!ENTITY % general-entities SYSTEM "../general.ent">
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- %general-entities;
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-]>
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-
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-<sect1 id="ch-system-sysvinit" role="wrap">
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- <?dbhtml filename="sysvinit.html"?>
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-
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- <sect1info condition="script">
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- <productname>sysvinit</productname>
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- <productnumber>&sysvinit-version;</productnumber>
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- <address>&sysvinit-url;</address>
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- </sect1info>
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-
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- <title>Sysvinit-&sysvinit-version;</title>
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-
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- <indexterm zone="ch-system-sysvinit">
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- <primary sortas="a-Sysvinit">Sysvinit</primary>
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- </indexterm>
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-
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- <sect2 role="package">
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- <title/>
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-
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- <para>The Sysvinit package contains programs for controlling the startup,
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- running, and shutdown of the system.</para>
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-
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- <segmentedlist>
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- <segtitle>&buildtime;</segtitle>
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- <segtitle>&diskspace;</segtitle>
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-
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- <seglistitem>
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- <seg>&sysvinit-ch6-sbu;</seg>
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- <seg>&sysvinit-ch6-du;</seg>
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- </seglistitem>
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- </segmentedlist>
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-
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- </sect2>
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-
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- <sect2 role="installation">
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- <title>Installation of Sysvinit</title>
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-
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- <para>When run-levels are changed (for example, when halting the
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- system), <command>init</command> sends termination signals to those
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- processes that <command>init</command> itself started and that should
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- not be running in the new run-level. While doing this,
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- <command>init</command> outputs messages like <quote>Sending processes
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- the TERM signal</quote> which seem to imply that it is sending these
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- signals to all currently running processes. To avoid this
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- misinterpretation, modify the source so that these messages read like
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- <quote>Sending processes configured via /etc/inittab the TERM signal</quote>
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- instead:</para>
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-
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-<screen><userinput remap="pre">sed -i 's@Sending processes@& configured via /etc/inittab@g' src/init.c</userinput></screen>
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-
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- <para>Maintained versions of the <command>wall</command>,
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- <command>mountpoint</command>, and <command>utmpdump</command> programs were
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- installed earlier by Util-linux. Suppress the installation of Sysvinit's
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- versions of these programs and their man pages:</para>
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-
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-<screen><userinput remap="make">sed -i -e '/utmpdump/d' \
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- -e '/mountpoint/d' src/Makefile</userinput></screen>
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-
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- <para>Compile the package:</para>
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-
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-<screen><userinput remap="make">make -C src</userinput></screen>
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-
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- <para>This package does not come with a test suite.</para>
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-
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- <para>Install the package:</para>
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-
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-<screen><userinput remap="install">make -C src install</userinput></screen>
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-
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- </sect2>
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-
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- <sect2 id="contents-sysvinit" role="content">
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- <title>Contents of Sysvinit</title>
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-
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- <segmentedlist>
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- <segtitle>Installed programs</segtitle>
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-
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- <seglistitem>
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- <seg>bootlogd, fstab-decode, halt, init, killall5, last,
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- lastb (link to last), mesg, pidof (link to killall5),
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- poweroff (link to halt), reboot (link to halt), runlevel, shutdown,
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- sulogin, and telinit (link to init)</seg>
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- </seglistitem>
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- </segmentedlist>
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-
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- <variablelist>
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- <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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- <?dbfo list-presentation="list"?>
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- <?dbhtml list-presentation="table"?>
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-
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- <varlistentry id="bootlogd">
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- <term><command>bootlogd</command></term>
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- <listitem>
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- <para>Logs boot messages to a log file</para>
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- <indexterm zone="ch-system-sysvinit bootlogd">
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- <primary sortas="b-bootlogd">bootlogd</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="fstab-decode">
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- <term><command>fstab-decode</command></term>
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- <listitem>
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- <para>Run a command with fstab-encoded arguments</para>
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- <indexterm zone="ch-system-sysvinit fstab-decode">
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- <primary sortas="b-fstab-decode">fstab-decode</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="halt">
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- <term><command>halt</command></term>
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- <listitem>
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- <para>Normally invokes <command>shutdown</command> with the
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- <parameter>-h</parameter> option, except when already in run-level 0,
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- then it tells the kernel to halt the system; it notes in the
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- file <filename>/var/log/wtmp</filename> that the system is being
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- brought down</para>
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- <indexterm zone="ch-system-sysvinit halt">
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- <primary sortas="b-halt">halt</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="init">
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- <term><command>init</command></term>
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- <listitem>
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- <para>The first process to be started when the kernel has initialized
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- the hardware which takes over the boot process and starts all the
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- proceses it is instructed to</para>
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- <indexterm zone="ch-system-sysvinit init">
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- <primary sortas="b-init">init</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="killall5">
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- <term><command>killall5</command></term>
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- <listitem>
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- <para>Sends a signal to all processes, except the processes in its own
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- session so it will not kill the shell running the script that called
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- it</para>
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- <indexterm zone="ch-system-sysvinit killall5">
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- <primary sortas="b-killall5">killall5</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="last">
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- <term><command>last</command></term>
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- <listitem>
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- <para>Shows which users last logged in (and out), searching back
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- through the <filename>/var/log/wtmp</filename> file; it also shows
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- system boots, shutdowns, and run-level changes</para>
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- <indexterm zone="ch-system-sysvinit last">
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- <primary sortas="b-last">last</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="lastb">
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- <term><command>lastb</command></term>
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- <listitem>
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- <para>Shows the failed login attempts, as logged in
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- <filename>/var/log/btmp</filename></para>
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- <indexterm zone="ch-system-sysvinit lastb">
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- <primary sortas="b-lastb">lastb</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="mesg">
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- <term><command>mesg</command></term>
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- <listitem>
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- <para>Controls whether other users can send messages to the current
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- user's terminal</para>
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- <indexterm zone="ch-system-sysvinit mesg">
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- <primary sortas="b-mesg">mesg</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="pidof">
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- <term><command>pidof</command></term>
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- <listitem>
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- <para>Reports the PIDs of the given programs</para>
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- <indexterm zone="ch-system-sysvinit pidof">
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- <primary sortas="b-pidof">pidof</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="poweroff">
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- <term><command>poweroff</command></term>
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- <listitem>
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- <para>Tells the kernel to halt the system and switch off the computer
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- (see <command>halt</command>)</para>
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- <indexterm zone="ch-system-sysvinit poweroff">
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- <primary sortas="b-poweroff">poweroff</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="reboot">
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- <term><command>reboot</command></term>
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- <listitem>
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- <para>Tells the kernel to reboot the system (see
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- <command>halt</command>)</para>
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- <indexterm zone="ch-system-sysvinit reboot">
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- <primary sortas="b-reboot">reboot</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="runlevel">
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- <term><command>runlevel</command></term>
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- <listitem>
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- <para>Reports the previous and the current run-level, as noted in the
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- last run-level record in <filename>/var/run/utmp</filename></para>
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- <indexterm zone="ch-system-sysvinit runlevel">
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- <primary sortas="b-runlevel">runlevel</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="shutdown">
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- <term><command>shutdown</command></term>
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- <listitem>
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- <para>Brings the system down in a secure way, signaling all processes
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- and notifying all logged-in users</para>
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- <indexterm zone="ch-system-sysvinit shutdown">
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- <primary sortas="b-shutdown">shutdown</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="sulogin">
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- <term><command>sulogin</command></term>
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- <listitem>
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- <para>Allows <systemitem class="username">root</systemitem> to log in;
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- it is normally invoked by <command>init</command> when the system goes
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- into single user mode</para>
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- <indexterm zone="ch-system-sysvinit sulogin">
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- <primary sortas="b-sulogin">sulogin</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- <varlistentry id="telinit">
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- <term><command>telinit</command></term>
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- <listitem>
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- <para>Tells <command>init</command> which run-level to change to</para>
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- <indexterm zone="ch-system-sysvinit telinit">
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- <primary sortas="b-telinit">telinit</primary>
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- </indexterm>
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- </listitem>
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- </varlistentry>
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-
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- </variablelist>
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-
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- </sect2>
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-
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-</sect1>
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Matthew Burgess