AC(8) - System Manager's Manual

AC(8) - System Manager’s Manual # AC(8) - System Manager’s Manual NAME # ac - connect time accounting SYNOPSIS # ac [-dp] [-t tty] [-w wtmp] [user …] DESCRIPTION # If the file /var/log/wtmp exists, a record of individual login and logout times are written to it by login(1) and init(8), respectively. ac examines these records and writes the accumulated connect time for all logins to the standard output. ...