Package acct

• ac(1) — print statistics about users' connect time
• accton(8) — turns process accounting on or off
• dump-acct(8) — print an acct file in human-readable format.
• dump-utmp(8) — print a utmp file in human-readable format
• last-acct(1) — list logins on the system
• lastcomm(1) — print out information about previously executed commands.
• sa(8) — summarizes accounting information