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. ...
DAILY(8) - System Manager’s Manual # DAILY(8) - System Manager’s Manual NAME # daily, weekly, monthly - periodic system maintenance DESCRIPTION # The three files /etc/daily, /etc/weekly, and /etc/monthly are shell scripts run on a periodic basis by the clock daemon, cron(8). They take care of some basic administrative tasks. Their output, if any, is mailed to root. Note: The scripts are all run as part of root’s crontab(5). However, it is strongly suggested that the root mail account be an alias that forwards messages to a real user or set of users. ...
LAST(1) - General Commands Manual # LAST(1) - General Commands Manual NAME # last - indicate last logins of users, ttys, and hosts SYNOPSIS # last [-csT] [-d date] [-f file] [-h host] [-n number] [-t tty] [user …] DESCRIPTION # The last utility will either list the sessions of specified users, ttys, and hosts, in reverse time order, or list the users logged in at a specified snapshot date and time in reverse time order. ...
SA(8) - System Manager’s Manual # SA(8) - System Manager’s Manual NAME # sa - print system accounting statistics SYNOPSIS # sa [-abcDdfijKklmnqrstu] [-v cutoff] [file …] DESCRIPTION # The sa utility reports on, cleans up, and generally maintains system accounting files. See accton(8) for details on enabling system accounting. sa is able to condense the information in /var/account/acct into the summary files /var/account/savacct and /var/account/usracct, which contain system statistics according to command name and login ID, respectively. ...
UTMP(5) - File Formats Manual # UTMP(5) - File Formats Manual NAME # utmp, wtmp, lastlog - login records SYNOPSIS # #include <utmp.h> DESCRIPTION # The <utmp.h> file declares the structures used to record information about current users in the utmp file, logins and logouts in the wtmp file, and last logins in the lastlog file. The timestamps of date changes, shutdowns, and reboots are also logged in the wtmp file. ...