/usr/ucb/users [file]
If there are more than 200 users on the system, only the first 200 are listed, and the message:
****The number of users exceeds 200. Only the first 200 are listed.is displayed.
Specifying file, tells users where to find its information; by default it checks /var/adm/utmp.
Typing users is equivalent to typing who -q.
$ users paul george ringo