last - display login and logout information about users and
last [ -n number | -number ] [ -f filename ]
[ name | tty ] ...
The last command looks in the /var/adm/wtmpx file, which
records all logins and logouts, for information about a
user, a terminal, or any group of users and terminals.
Arguments specify names of users or terminals of interest.
If multiple arguments are given, the information applicable
to any of the arguments is printed. For example, last root
console lists all of root's sessions, as well as all ses-
sions on the console terminal. last displays the sessions
of the specified users and terminals, most recent first,
indicating the times at which the session began, the dura-
tion of the session, and the terminal on which the session
took place. last also indicates whether the session is con-
tinuing or was cut short by a reboot.
The pseudo-user reboot logs in when the system reboots.
will give an indication of mean time between reboots.
last with no arguments displays a record of all logins and
logouts, in reverse order.
If last is interrupted, it indicates how far the search has
progressed in /var/adm/wtmpx. If interrupted with a quit
signal (generated by a CTRL-\), last indicates how far the
search has progressed, and then continues the search.
-n number|-number Limit the number of entries displayed
to that specified by number. These
options are identical; the - number
option is provided as a transition tool
only and will be removed in future
-f filename Use filename as the name of the account-
ing file instead of /var/adm/wtmpx.
Date and time format is based on locale specified by the
LC_ALL, LC_TIME, or LANG environments, in that order of
/var/adm/wtmpx accounting file
Man(1) output converted with