- <listitem><para>Takes a boolean
- argument. If true, all processes
- created by the root user (UID 0) during his
- session and from his session will be
- kept around after he logged out. This
- option allows cancelling the effect of
- <option>kill-session=1</option> and
- <option>kill-user=1</option> for the
- root user.</para></listitem>
+ <listitem><para>Takes a comma
+ separated list of user names or
+ numeric user ids as argument. If this
+ option is used the effect of the
+ <option>kill-session=</option> and
+ <option>kill-user=</option> options
+ will apply only to the listed
+ users. If this option is not used the
+ option applies to all local
+ users. Note that
+ <option>kill-exclude-users=</option>
+ takes precedence over this list and is
+ hence subtracted from the list
+ specified here.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>kill-exclude-users=</option></term>
+
+ <listitem><para>Takes a comma
+ separated list of user names or
+ numeric user ids as argument. Users
+ listed in this argument will not be
+ subject to the effect of
+ <option>kill-session=</option> or
+ <option>kill-user=</option>. Note
+ that that this option takes precedence
+ over
+ <option>kill-only-users=</option>, and
+ hence whatever is listed for
+ <option>kill-exclude-users=</option>
+ is guaranteed to never be killed by
+ this PAM module, independent of any
+ other configuration
+ setting.</para></listitem>