.TH wtmp "" "" "System Administration"
.PC "File that records past login events"
.B /usr/adm/wtmp
.PP
.II /usr/adm/wtmp
File
.B /usr/adm/wtmp
records every login event that has concluded \(em that is, the
user has logged in and logged out again.
You can comb this file to trace which user have logged onto your system,
and when.
.PP
.B wtmp
records each active login event as a record of type
.BR utmp ,
which is defined in header file
.BR <utmp> .
For details, see the Lexicon entry
.BR utmp.h .
.SH "See Also"
.Xr "Adminstering COHERENT," administe
.Xr "utmp" utmp
.Xr "utmp.h" utmp.h
