- <listitem><para>If
- <varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session=1</option> specified, all
- remaining processes in the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group are killed and the control group
- removed.</para></listitem>
-
- <listitem><para>If
- <varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session=0</option> specified, all
- remaining processes in the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group are migrated to
- <filename>/user/$USER/no-session</filename> and
- the original control group
- removed.</para></listitem>
-
- <listitem><para>If
- <option>kill-user=1</option> is specified, and
- no other user session control group remains
- except
- <filename>/user/$USER/no-session</filename>
- all remaining processes in the
- <filename>/user/$USER</filename> hierarchy
- are killed and the control group removed.</para></listitem>
-
- <listitem><para>If
- <option>kill-user=0</option> is specified, and
- no process remains in the
- <filename>/user/$USER</filename> hierarchy the
- control group is removed.</para></listitem>
-
- <listitem><para>If the
- <filename>/user/$USER</filename> control group
- was removed the
+ <listitem><para>If this is enabled, all
+ processes of the session are terminated. If
+ the last concurrent session of a user ends, his
+ user systemd instance will be terminated too,
+ and so will the user's slice
+ unit.</para></listitem>
+
+ <listitem><para>If the last concurrent session
+ of a user ends, the