NAME

utmp, wtmp − utmp and wtmp entry format

DESCRIPTION

The files utmp and wtmp hold user and accounting information for use by commands such as who(1), acctcon1 (see acctcon(1M)), and login(1). They have the following structure, as defined by <utmp.h>:

struct utmp
{
charut_line[8];/∗ tty name ∗/
charut_name[8];/∗ login name ∗/
longut_time;/∗ time on ∗/
};

FILES

/etc/utmp
/usr/adm/wtmp
/usr/include/utmp.h

SEE ALSO

acctcon(1M), login(1), who(1), write(1). 

May 16, 1980