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-rw-r--r--man/shutdown.xml64
1 files changed, 58 insertions, 6 deletions
diff --git a/man/shutdown.xml b/man/shutdown.xml
index f2274a8a8c..95884921ac 100644
--- a/man/shutdown.xml
+++ b/man/shutdown.xml
@@ -49,7 +49,7 @@
<refsynopsisdiv>
<cmdsynopsis>
- <command>shutdown <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt">now</arg> <arg choice="opt" rep="repeat">WALL</arg></command>
+ <command>shutdown <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt">TIME</arg> <arg choice="opt" rep="repeat">WALL</arg></command>
</cmdsynopsis>
</refsynopsisdiv>
@@ -59,11 +59,30 @@
<para><command>shutdown</command> may be used to halt,
power-off or reboot the machine.</para>
- <para>The first argument should be the string
- <command>now</command> which however is ignored by
- this implementation. Optionally, this may be followed
- by a wall message to be sent to all logged-in users
- before going down.</para>
+ <para>The first argument may be a time string (which
+ is usually <literal>now</literal>). Optionally, this
+ may be followed by a wall message to be sent to all
+ logged-in users before going down.</para>
+
+ <para>The time string may either be in the format
+ <literal>hh:mm</literal> for hour/minutes specifying
+ the time to execute the shutdown at, specified in 24h
+ clock format. Alternatively it may be in the syntax
+ <literal>+m</literal> referring to the specified
+ number of minutes m from now. <literal>now</literal>
+ is an alias for <literal>+0</literal>, i.e. for
+ triggering an immediate shutdown. If no time argument
+ is specified, <literal>now</literal> is
+ implied.</para>
+
+ <para>Note that to specify a wall message you must
+ speciy a time argument, too.</para>
+
+ <para>If the time argument is used, 5 minutes
+ before the system goes down the
+ <filename>/etc/nologin</filename> file is created to
+ ensure that further logins shall not be
+ allowed.</para>
</refsect1>
<refsect1>
@@ -126,6 +145,39 @@
message before
halt, power-off, reboot.</para></listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><option>-f</option></term>
+
+ <listitem><para>Skip file system check
+ on reboot. This is equivalent to
+ creating the
+ <filename>/fastboot</filename> file
+ before going down.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-F</option></term>
+
+ <listitem><para>Force file system
+ check on reboot. This is equivalent to
+ creating the
+ <filename>/forcefsck</filename> file
+ before going down.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-c</option></term>
+
+ <listitem><para>Cancel a pending
+ shutdown. This may be used cancel the
+ effect of an invocation of
+ <command>shutdown</command> with a
+ time argument that is not
+ <literal>+0</literal> or
+ <literal>now</literal>.</para></listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>