LAST(1) General Commands Manual LAST(1)
last – indicate last logins of users and ttys
last [-n] [-h host] [-t tty] [user ...]
Last will list the sessions of specified users, ttys, and hosts, in reverse
time order. Each line of output contains the user name, the tty from which
the session was conducted, any hostname, the start and stop times for the
session, and the duration of the session. If the session is still
continuing or was cut short by a crash or shutdown, last will so indicate.
-n Limits the report to n lines.
-h host Host names may be names or internet numbers.
-t tty Specify the tty. Tty names may be given fully or abbreviated,
for example, “last -t 03” is equivalent to “last -t tty03”.
If multiple arguments are given, the information which applies to any of
the arguments is printed, e.g., “last root -t console” would list all of
“root's” sessions as well as all sessions on the console terminal. If no
users, hostnames or terminals are specified, last prints a record of all
logins and logouts.
The pseudo-user reboot logs in at reboots of the system, thus “last reboot”
will give an indication of mean time between reboot.
If last is interrupted, it indicates to what date the search has
progressed. If interrupted with a quit signal last indicates how far the
search has progressed and then continues.
lastcomm(1), utmpx(5), ac(8)
Last appeared in 3.0BSD.
BSD 4 June 6, 1993 BSD 4