| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/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-boot-sysvinit" role="wrap">
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| 9 | <?dbhtml filename="sysvinit.html"?>
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| 10 |
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| 11 | <title>Sysvinit-&sysvinit-version;</title>
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| 12 |
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| 13 | <indexterm zone="ch-boot-sysvinit">
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| 14 | <primary sortas="a-Sysvinit">Sysvinit</primary>
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| 15 | <secondary>boot</secondary>
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| 16 | </indexterm>
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| 17 |
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| 18 | <sect2 role="package">
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| 19 | <title/>
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| 20 |
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| 21 | <para>The Sysvinit package contains programs for controlling the startup,
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| 22 | running, and shutdown of the system.</para>
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| 23 |
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| 24 | </sect2>
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| 25 |
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| 26 | <sect2 role="installation">
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| 27 | <title>Installation of Sysvinit</title>
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| 28 |
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| 29 | <para os="aa">The following modifications help locate files specific to this
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| 30 | particular build:</para>
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| 31 |
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| 32 | <screen os="ab"><userinput>cp -v src/Makefile{,.orig}
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| 33 | sed -e 's,/usr/lib,/tools/lib,g' \
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| 34 | src/Makefile.orig > src/Makefile</userinput></screen>
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| 35 |
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| 36 | <para os ="c">Compile the package:</para>
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| 37 |
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| 38 | <screen os="ac"><userinput>make -C src clobber
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| 39 | make -C src CC="${CC}"</userinput></screen>
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| 40 |
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| 41 | <para os="e">Install the package:</para>
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| 42 |
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| 43 | <screen os="ad"><userinput>make -C src ROOT=${CLFS} install</userinput></screen>
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| 44 |
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| 45 | </sect2>
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| 46 |
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| 47 | <sect2 id="conf-tools-sysvinit" role="configuration">
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| 48 | <title>Configuring Sysvinit</title>
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| 49 |
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| 50 | <indexterm zone="conf-tools-sysvinit">
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| 51 | <primary sortas="a-Sysvinit">Sysvinit</primary>
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| 52 | <secondary>boot, configuring</secondary>
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| 53 | </indexterm>
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| 54 |
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| 55 | <indexterm zone="conf-tools-sysvinit">
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| 56 | <primary sortas="e-/etc/inittab">/etc/inittab</primary>
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| 57 | </indexterm>
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| 58 |
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| 59 | <para>Create a new file <filename>${CLFS}/etc/inittab</filename> by running the
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| 60 | following:</para>
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| 61 |
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| 62 | <screen><userinput>cat > ${CLFS}/etc/inittab << "EOF"
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| 63 | <literal># Begin /etc/inittab
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| 64 |
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| 65 | id:3:initdefault:
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| 66 |
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| 67 | si::sysinit:/etc/rc.d/init.d/rc sysinit
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| 68 |
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| 69 | l0:0:wait:/etc/rc.d/init.d/rc 0
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| 70 | l1:S1:wait:/etc/rc.d/init.d/rc 1
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| 71 | l2:2:wait:/etc/rc.d/init.d/rc 2
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| 72 | l3:3:wait:/etc/rc.d/init.d/rc 3
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| 73 | l4:4:wait:/etc/rc.d/init.d/rc 4
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| 74 | l5:5:wait:/etc/rc.d/init.d/rc 5
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| 75 | l6:6:wait:/etc/rc.d/init.d/rc 6
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| 76 |
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| 77 | ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now
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| 78 |
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| 79 | su:S016:once:/sbin/sulogin
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| 80 | </literal>
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| 81 | EOF</userinput></screen>
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| 82 |
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| 83 | <para>The following command adds the standard virtual terminals to
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| 84 | <filename>${CLFS}/etc/inittab</filename>. If your system only has a serial
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| 85 | console skip the following command:</para>
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| 86 |
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| 87 | <screen><userinput>cat >> ${CLFS}/etc/inittab << "EOF"
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| 88 | <literal>1:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty1 9600
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| 89 | 2:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty2 9600
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| 90 | 3:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty3 9600
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| 91 | 4:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty4 9600
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| 92 | 5:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty5 9600
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| 93 | 6:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty6 9600
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| 94 | </literal>
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| 95 | EOF</userinput></screen>
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| 96 |
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| 97 | <para>If your system has a serial console, run the following command to add
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| 98 | the entry to <filename>${CLFS}/etc/inittab</filename>.</para>
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| 99 |
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| 100 | <screen><userinput>cat >> ${CLFS}/etc/inittab << "EOF"
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| 101 | <literal>c0:12345:respawn:/sbin/agetty --noclear 115200 ttyS0 vt100
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| 102 | </literal>
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| 103 | EOF</userinput></screen>
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| 104 |
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| 105 | <para>Finally, add the end line to <filename>${CLFS}/etc/inittab</filename>.</para>
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| 106 |
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| 107 | <screen><userinput>cat >> ${CLFS}/etc/inittab << "EOF"
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| 108 | <literal># End /etc/inittab</literal>
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| 109 | EOF</userinput></screen>
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| 110 |
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| 111 | <para>The <parameter>-I '\033(K'</parameter> option tells
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| 112 | <command>agetty</command> to send this escape sequence to the terminal
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| 113 | before doing anything else. This escape sequence switches the console
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| 114 | character set to a user-defined one, which can be modified by running
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| 115 | the <command>setfont</command> program. The <command>console</command>
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| 116 | initscript from the CLFS-Bootscripts package calls the
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| 117 | <command>setfont</command> program during system startup. Sending this
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| 118 | escape sequence is necessary for people who use non-ISO 8859-1 screen
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| 119 | fonts, but it does not affect native English speakers.</para>
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| 120 |
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| 121 | </sect2>
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| 122 |
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| 123 | <sect2 id="contents-sysvinit" role="content">
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| 124 | <title>Contents of Sysvinit</title>
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| 125 |
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| 126 | <segmentedlist>
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| 127 | <segtitle>Installed programs</segtitle>
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| 128 |
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| 129 | <seglistitem>
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| 130 | <seg>bootlogd, fstab-decode, halt, init, killall5,
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| 131 | poweroff (link to halt), reboot (link to halt), runlevel,
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| 132 | shutdown, and telinit (link to init)</seg>
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| 133 | </seglistitem>
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| 134 | </segmentedlist>
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| 135 |
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| 136 | <variablelist>
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| 137 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 138 | <?dbfo list-presentation="list"?>
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| 139 | <?dbhtml list-presentation="table"?>
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| 140 |
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| 141 | <varlistentry id="bootlogd">
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| 142 | <term><command>bootlogd</command></term>
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| 143 | <listitem>
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| 144 | <para>Logs boot messages to a log file</para>
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| 145 | <indexterm zone="ch-boot-sysvinit bootlogd">
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| 146 | <primary sortas="b-bootlogd">bootlogd</primary>
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| 147 | </indexterm>
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| 148 | </listitem>
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| 149 | </varlistentry>
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| 150 |
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| 151 | <varlistentry id="fstab-decode">
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| 152 | <term><command>fstab-decode</command></term>
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| 153 | <listitem>
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| 154 | <para>Runs a command with fstab-encoded arguments</para>
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| 155 | <indexterm zone="ch-boot-sysvinit fstab-decode">
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| 156 | <primary sortas="b-fstab-decode">fstab-decode</primary>
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| 157 | </indexterm>
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| 158 | </listitem>
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| 159 | </varlistentry>
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| 160 |
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| 161 | <varlistentry id="halt">
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| 162 | <term><command>halt</command></term>
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| 163 | <listitem>
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| 164 | <para>Normally invokes <command>shutdown</command> with the
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| 165 | <parameter>-h</parameter> option, except when already in run-level 0,
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| 166 | then it tells the kernel to halt the system; it notes in the
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| 167 | file <filename>/var/log/wtmp</filename> that the system is being
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| 168 | brought down</para>
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| 169 | <indexterm zone="ch-boot-sysvinit halt">
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| 170 | <primary sortas="b-halt">halt</primary>
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| 171 | </indexterm>
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| 172 | </listitem>
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| 173 | </varlistentry>
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| 174 |
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| 175 | <varlistentry id="init">
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| 176 | <term><command>init</command></term>
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| 177 | <listitem>
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| 178 | <para>The first process to be started when the kernel has initialized
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| 179 | the hardware which takes over the boot process and starts all the
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| 180 | proceses it is instructed to</para>
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| 181 | <indexterm zone="ch-boot-sysvinit init">
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| 182 | <primary sortas="b-init">init</primary>
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| 183 | </indexterm>
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| 184 | </listitem>
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| 185 | </varlistentry>
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| 186 |
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| 187 | <varlistentry id="killall5">
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| 188 | <term><command>killall5</command></term>
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| 189 | <listitem>
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| 190 | <para>Sends a signal to all processes, except the processes in its own
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| 191 | session so it will not kill the shell running the script that called
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| 192 | it</para>
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| 193 | <indexterm zone="ch-boot-sysvinit killall5">
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| 194 | <primary sortas="b-killall5">killall5</primary>
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| 195 | </indexterm>
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| 196 | </listitem>
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| 197 | </varlistentry>
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| 198 |
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| 199 | <varlistentry id="poweroff">
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| 200 | <term><command>poweroff</command></term>
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| 201 | <listitem>
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| 202 | <para>Tells the kernel to halt the system and switch off the computer
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| 203 | (see <command>halt</command>)</para>
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| 204 | <indexterm zone="ch-boot-sysvinit poweroff">
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| 205 | <primary sortas="b-poweroff">poweroff</primary>
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| 206 | </indexterm>
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| 207 | </listitem>
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| 208 | </varlistentry>
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| 209 |
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| 210 | <varlistentry id="reboot">
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| 211 | <term><command>reboot</command></term>
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| 212 | <listitem>
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| 213 | <para>Tells the kernel to reboot the system (see
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| 214 | <command>halt</command>)</para>
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| 215 | <indexterm zone="ch-boot-sysvinit reboot">
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| 216 | <primary sortas="b-reboot">reboot</primary>
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| 217 | </indexterm>
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| 218 | </listitem>
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| 219 | </varlistentry>
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| 220 |
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| 221 | <varlistentry id="runlevel">
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| 222 | <term><command>runlevel</command></term>
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| 223 | <listitem>
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| 224 | <para>Reports the previous and the current run-level, as noted in
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| 225 | the last run-level record in <filename>/var/run/utmp</filename></para>
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| 226 | <indexterm zone="ch-boot-sysvinit runlevel">
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| 227 | <primary sortas="b-runlevel">runlevel</primary>
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| 228 | </indexterm>
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| 229 | </listitem>
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| 230 | </varlistentry>
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| 231 |
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| 232 | <varlistentry id="shutdown">
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| 233 | <term><command>shutdown</command></term>
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| 234 | <listitem>
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| 235 | <para>Brings the system down in a secure way, signaling all processes
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| 236 | and notifying all logged-in users</para>
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| 237 | <indexterm zone="ch-boot-sysvinit shutdown">
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| 238 | <primary sortas="b-shutdown">shutdown</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="telinit">
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| 244 | <term><command>telinit</command></term>
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| 245 | <listitem>
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| 246 | <para>Tells <command>init</command> which run-level to change to</para>
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| 247 | <indexterm zone="ch-boot-sysvinit telinit">
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| 248 | <primary sortas="b-telinit">telinit</primary>
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| 249 | </indexterm>
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| 250 | </listitem>
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| 251 | </varlistentry>
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| 252 |
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| 253 | </variablelist>
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| 254 |
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| 255 | </sect2>
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| 256 |
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| 257 | </sect1>
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