ck-history is a utility that provides information from the ConsoleKit database about what users have logged into the system. It supports options to specify whether to provide information about users who have logged in most frequently or most recently.
The ck-history utility is used by gdm(1m) when the GDM Face Browser is enabled to display users in the order of frequency.
The following options are supported:
--frequent Show listing of logged-in users in the most frequent order.
-h, --help Display detailed usage message.
--last Show listing of all user logins since logging began in the most-recent order..
--last-compat Show listing of logged-in users in the most-recent order. The output is displayed in last(1) compatible format.
--log Show full ConsoleKit event log.
-s, --seat=seat Show entries for the specified seat.
-t, --session-type=type Show entries for the specified session type.
-u, --user=user Show entries for the specified user.
-V, --version Display the version of the ck-history application.
Example 1: Show most frequently logged in users
example% ck-history --frequent
Example 2: Show the entire ConsoleKit log.
example% ck-history --log
Written by Brian Cameron, Sun Microsystems Inc., 2009. Copyright (c) 2009 by Sun Microsystems, Inc.