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.th UTMP V 8/12/77
.sh NAME
utmp - user information
.sh DESCRIPTION
This file contains information about users currently logged in
to UNIX.

The format of a
.it utmp
file entry is:

.nf
struct {
.ta 8 16 24 32
	char	name[8];	/* user's login name, blank-padded on right */
	char	tty;		/* last char of tty name */
	int	time[2];	/* login time */
	int	unused;
}

.fi
.sh FILES
/etc/utmp
.sh "SEE ALSO"
The Book