K 10 svn:author V 2 ed K 8 svn:date V 27 2010-01-13T18:14:59.253898Z K 7 svn:log V 236 Port ac(8) to utmpx. Similar to last(1), it must compare ut_id's instead of TTYs to determine whether a session has been terminated. It must also use ut_type to determine the type of the login record instead figuring it out by itself. END