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Timestamp:
05/17/2004 09:55:01 PM (20 years ago)
Author:
Manuel Canales Esparcia <manuel@…>
Branches:
10.0, 10.0-rc1, 10.1, 10.1-rc1, 11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, 6.0, 6.1, 6.1.1, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 7.5-systemd, 7.6, 7.6-systemd, 7.7, 7.7-systemd, 7.8, 7.8-systemd, 7.9, 7.9-systemd, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc
Children:
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Parents:
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Message:

HEAD: Retagged the Contents of ... sections.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3621 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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  • chapter06/sysvinit.xml

    r01b2724c rc6cb3aa  
    104104
    105105
    106 <sect2 id="contents-sysvinit"><title>Contents of Sysvinit</title>
    107 
    108 <para><emphasis>Installed programs</emphasis>: halt, init, killall5, last,
    109 lastb (link to last), mesg, pidof (link to killall5), poweroff (link to halt),
    110 reboot (link to halt), runlevel, shutdown, sulogin, telinit (link to init),
    111 utmpdump and wall</para>
    112 
    113 </sect2>
    114 
    115 
    116 <sect2><title>Short descriptions</title>
    117 
     106<sect2 id="contents-sysvinit" role="content"><title>Contents of Sysvinit</title>
     107
     108<segmentedlist>
     109<segtitle>Installed programs</segtitle>
     110<seglistitem><seg>halt, init, killall5, last, lastb (link to last), mesg, pidof (link to
     111killall5), poweroff (link to halt), reboot (link to halt), runlevel, shutdown, sulogin, telinit
     112(link to init), utmpdump and wall</seg></seglistitem>
     113</segmentedlist>
     114
     115<variablelist><title>Short descriptions</title>
     116
     117<varlistentry>
     118<term id="halt"><command>halt</command></term>
     119<listitem>
    118120<indexterm zone="ch-system-sysvinit halt"><primary sortas="b-halt">halt</primary></indexterm>
    119 <para id="halt"><command>halt</command> normally invokes shutdown with the -h flag,
     121<para>normally invokes shutdown with the -h flag,
    120122except when already in run-level 0, then it tells the kernel to halt the system.
    121123But first it notes in the file <filename>/var/log/wtmp</filename> that the
    122124system is being brought down.</para>
    123 
     125</listitem>
     126</varlistentry>
     127
     128<varlistentry>
     129<term id="init"><command>init</command></term>
     130<listitem>
    124131<indexterm zone="ch-system-sysvinit init"><primary sortas="b-init">init</primary></indexterm>
    125 <para id="init"><command>init</command> is the mother of all processes. It reads its
     132<para>is the mother of all processes. It reads its
    126133commands from <filename>/etc/inittab</filename>, which normally tell it which
    127134scripts to run for which run-level, and how many gettys to spawn.</para>
    128 
     135</listitem>
     136</varlistentry>
     137
     138<varlistentry>
     139<term id="killall5"><command>killall5</command></term>
     140<listitem>
    129141<indexterm zone="ch-system-sysvinit killall5"><primary sortas="b-killall5">killall5</primary></indexterm>
    130 <para id="killall5"><command>killall5</command> sends a signal to all processes, except
    131 the processes in its own session -- so it won't kill the shell running the
    132 script that called it.</para>
    133 
     142<para>sends a signal to all processes, except the processes in its own session --
     143so it won't kill the shell running the script that called it.</para>
     144</listitem>
     145</varlistentry>
     146
     147<varlistentry>
     148<term id="last"><command>last</command></term>
     149<listitem>
    134150<indexterm zone="ch-system-sysvinit last"><primary sortas="b-last">last</primary></indexterm>
    135 <para id="last"><command>last</command> shows which users last logged in (and out),
     151<para>shows which users last logged in (and out),
    136152searching back through the file <filename>/var/log/wtmp</filename>. It can
    137153also show system boots and shutdowns, and run-level changes.</para>
    138 
     154</listitem>
     155</varlistentry>
     156
     157<varlistentry>
     158<term id="lastb"><command>lastb</command></term>
     159<listitem>
    139160<indexterm zone="ch-system-sysvinit lastb"><primary sortas="b-lastb">lastb</primary></indexterm>
    140 <para id="lastb"><command>lastb</command> shows the failed login attempts, as logged
    141 in <filename>/var/log/btmp</filename>.</para>
    142 
     161<para>shows the failed login attempts, as logged in
     162<filename>/var/log/btmp</filename>.</para>
     163</listitem>
     164</varlistentry>
     165
     166<varlistentry>
     167<term id="mesg"><command>mesg</command></term>
     168<listitem>
    143169<indexterm zone="ch-system-sysvinit mesg"><primary sortas="b-mesg">mesg</primary></indexterm>
    144 <para id="mesg"><command>mesg</command> controls whether other users can send
     170<para>controls whether other users can send
    145171messages to the current user's terminal.</para>
    146 
     172</listitem>
     173</varlistentry>
     174
     175<varlistentry>
     176<term id="pidof"><command>pidof</command></term>
     177<listitem>
    147178<indexterm zone="ch-system-sysvinit pidof"><primary sortas="b-pidof">pidof</primary></indexterm>
    148 <para id="pidof"><command>pidof</command> reports the PIDs of the given programs.</para>
    149 
     179<para>reports the PIDs of the given programs.</para>
     180</listitem>
     181</varlistentry>
     182
     183<varlistentry>
     184<term id="poweroff"><command>poweroff</command></term>
     185<listitem>
    150186<indexterm zone="ch-system-sysvinit poweroff"><primary sortas="b-poweroff">poweroff</primary></indexterm>
    151 <para id="poweroff"><command>poweroff</command> tells the kernel to halt the system and
     187<para>tells the kernel to halt the system and
    152188switch off the computer. But see halt.</para>
    153 
     189</listitem>
     190</varlistentry>
     191
     192<varlistentry>
     193<term id="reboot"><command>reboot</command></term>
     194<listitem>
    154195<indexterm zone="ch-system-sysvinit reboot"><primary sortas="b-reboot">reboot</primary></indexterm>
    155 <para id="reboot"><command>reboot</command> tells the kernel to reboot the system.
    156 But see halt.</para>
    157 
     196<para>tells the kernel to reboot the system. But see halt.</para>
     197</listitem>
     198</varlistentry>
     199
     200<varlistentry>
     201<term id="runlevel"><command>runlevel</command></term>
     202<listitem>
    158203<indexterm zone="ch-system-sysvinit runlevel"><primary sortas="b-runlevel">runlevel</primary></indexterm>
    159 <para id="runlevel"><command>runlevel</command> reports the previous and the current
    160 run-level, as noted in the last run-level record in
    161 <filename>/var/run/utmp</filename>.</para>
    162 
     204<para>reports the previous and the current run-level, as noted in the last run-level
     205record in <filename>/var/run/utmp</filename>.</para>
     206</listitem>
     207</varlistentry>
     208
     209<varlistentry>
     210<term id="shutdown"><command>shutdown</command></term>
     211<listitem>
    163212<indexterm zone="ch-system-sysvinit shutdown"><primary sortas="b-shutdown">shutdown</primary></indexterm>
    164 <para id="shutdown"><command>shutdown</command> brings the system down in a secure way,
     213<para>brings the system down in a secure way,
    165214signaling all processes and notifying all logged-in users.</para>
    166 
     215</listitem>
     216</varlistentry>
     217
     218<varlistentry>
     219<term id="sulogin"><command>sulogin</command></term>
     220<listitem>
    167221<indexterm zone="ch-system-sysvinit sulogin"><primary sortas="b-sulogin">sulogin</primary></indexterm>
    168 <para id="sulogin"><command>sulogin</command> allows the superuser to log in. It is
     222<para>allows the superuser to log in. It is
    169223normally invoked by init when the system goes into single user mode.</para>
    170 
     224</listitem>
     225</varlistentry>
     226
     227<varlistentry>
     228<term id="telinit"><command>telinit</command></term>
     229<listitem>
    171230<indexterm zone="ch-system-sysvinit telinit"><primary sortas="b-telinit">telinit</primary></indexterm>
    172 <para id="telinit"><command>telinit</command> tells init which run-level to enter.</para>
    173 
     231<para>tells init which run-level to enter.</para>
     232</listitem>
     233</varlistentry>
     234
     235<varlistentry>
     236<term id="utmpdump"><command>utmpdump</command></term>
     237<listitem>
    174238<indexterm zone="ch-system-sysvinit utmpdump"><primary sortas="b-utmpdump">utmpdump</primary></indexterm>
    175 <para id="utmpdump"><command>utmpdump</command> displays the content of the given login
    176 file in a friendlier format.</para>
    177 
     239<para>displays the content of the given login file in a friendlier format.</para>
     240</listitem>
     241</varlistentry>
     242
     243<varlistentry>
     244<term id="wall"><command>wall</command></term>
     245<listitem>
    178246<indexterm zone="ch-system-sysvinit wall"><primary sortas="b-wall">wall</primary></indexterm>
    179 <para id="wall"><command>wall</command> writes a message to all logged-in users.</para>
    180 
    181 </sect2>
    182 
    183 
     247<para>writes a message to all logged-in users.</para>
     248</listitem>
     249</varlistentry>
     250</variablelist>
     251
     252</sect2>
    184253
    185254</sect1>
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