introspect and control the state of the
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
system and service manager.</para>
+
+ <para>For unit commands, the <replaceable>NAME</replaceable> represents full name of the unit.
+ <programlisting>
+systemctl start foo.service
+ </programlisting>
+ For unit file commands, the <replaceable>NAME</replaceable> represents the full name of the unit file, or the absolute path to the unit file.
+ <programlisting>
+systemctl start /path/to/foo.service
+ </programlisting>
+ While working with services/service files, <command>systemctl</command> implicitly appends the ".service" suffix when it is missing.
+ <programlisting>
+systemctl start foo
+ </programlisting></para>
</refsect1>
<refsect1>
<term><option>--host</option></term>
<listitem>
- <para>Execute operation remotely. Specify a hostname, or
+ <para>Execute the operation remotely. Specify a hostname, or
username and hostname separated by <literal>@</literal>, to connect to. This
will use SSH to talk to the remote systemd
instance.</para>
<para>Depending on whether <option>--system</option>,
<option>--user</option>, <option>--runtime</option>,
- or<option>--global</option>, is specified, this enables the unit
+ or <option>--global</option> is specified, this enables the unit
for the system, for the calling user only, for only this boot of
the system, or for all future logins of all users, or only this
boot. Note that in the last case, no systemd daemon
</para>
<para>This command honors <option>--system</option>,
- <option>--user</option>, <option>--runtime</option>,
+ <option>--user</option>, <option>--runtime</option> and
<option>--global</option> in a similar way as
<command>enable</command>.</para>
</listitem>
<command>disable</command>, since it prohibits all kinds of
activation of the unit, including manual activation. Use
this option with care. This honors the
- <option>--runtime</option> option, to only mask temporarily
+ <option>--runtime</option> option to only mask temporarily
until the next reoobt of the system.</para>
</listitem>
</varlistentry>
</listitem>
</varlistentry>
<varlistentry>
- <term><command>reboot</command></term>
+ <term><command>reboot <optional><replaceable>arg</replaceable></optional></command></term>
<listitem>
<para>Shut down and reboot the system. This is mostly
specified twice, the operation is immediately executed
without terminating any processes or unmounting any file
systems. This may result in data loss.</para>
+
+ <para>If the optional argument
+ <replaceable>arg</replaceable> is given, it will be passed
+ as the optional argument to the
+ <citerefentry><refentrytitle>reboot</refentrytitle><manvolnum>2</manvolnum></citerefentry>
+ system call. The value is architecture and firmware
+ specific. As an example, <literal>recovery</literal> might
+ be used to trigger system recovery, and
+ <literal>fota</literal> might be used to trigger a
+ <quote>firmware over the air</quote> update.</para>
</listitem>
</varlistentry>
<varlistentry>