users Command Purpose Displays a compact list of the users currently on the system. Syntax users [ File ] Description The users command lists the login names of the users currently on the system to standard output (stdout) in a compact, one-line list format. If an argument is given, it is used as an alternate file instead of /etc/utmp. Implementation Specifics This command is part of Base Operating System (BOS) Runtime. Files /etc/utmp Contains list of current users /usr/bin/users Contains the users command. Related Information The who command.