V8/usr/man/man1/last.1

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.TH LAST 1 
.SH NAME
last \- report recent logins
.SH SYNOPSIS
.B last
[ userid ... ] [ terminal ]
.SH DESCRIPTION
.I Last
reports logins and logouts in reverse chronological order.
Optional arguments restrict attention to selected userids or
terminals.
Terminals `tty0, tty1, ...' may be abbreviated `0, 1, ...'
.PP
.I Last
reports userid, terminal,
time on, and time off.
A pseudo-user, `reboot',
logs in at reboots of the system, thus
.IP
last reboot
.LP
reports recent reboots.
.PP
Upon interrupt,
.I last
tells how far back it has looked;
upon quit (control-\e) it tells how far and keeps on looking.
.SH FILES
.DT
/usr/adm/wtmp		login data base
.SH SEE\ ALSO
who(1), wtmp(5), ac(8)
.SH BUGS
Because the accounting file does not distinguish orderly shutdowns
from crashes, neither does 
.I last.