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/var/log/wtmp SuSE log permission rollback
Post 302486800 by kalaso on Monday 10th of January 2011 10:17:41 AM
01-10-2011
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LEARN ABOUT OPENDARWIN
ac
AC(8) BSD System Manager's Manual AC(8) NAME
ac -- display connect time accounting SYNOPSIS
ac [-d] [-p] [-w file] [users ...] DESCRIPTION
If the file /var/log/wtmp exists, a record of individual login and logout times are written to it by init(8) and login(8) respectively. The program ac examines these records and writes the accumulated connect time for all logins to the standard output. Options available: -d Display the connect times in 24 hour chunks. -p Display individual user totals. -w file Read raw connect time data from file instead of the default file /var/log/wtmp. users ... Display totals for the given individuals only. If no arguments are given, ac displays the total amount of login time for all active accounts on the system. The default wtmp file is an infinitely increasing file unless frequently truncated. This is normally done by the daily daemon scripts sched- uled by cron(8) which rename and rotate the wtmp files before truncating them (and keeping about a weeks worth on hand). No login times are collected however, if the file does not exist. FILES
/var/log/wtmp /var/log/wtmp.[0-7] rotated files SEE ALSO
init(8), sa(8), login(1), utmp(5). HISTORY
A ac command appeared in Version 6 AT&T UNIX. 4th Berkeley Distribution April 19, 1994 4th Berkeley Distribution