- journal. If no units are specified, show all units (subject
- to limitations specified with <option>-t</option>). If a PID
- is passed, show information about the unit the process
- belongs to.</para>
+ journal. If no units are specified, show system status. If
+ combined with <option>--all</option> also shows status of
+ all units (subject to limitations specified with
+ <option>-t</option>). If a PID is passed, show information
+ about the unit the process belongs to.</para>