UTMP (V)                     3/15/72                     UTMP (V)

NAME            /tmp/utmp  -- user information

DESCRIPTION     This file allows one to discover information

                about who is currently using UNIX.  The file is

                binary; each entry is 16(10) bytes long.  The

                first eight bytes contain a user's login name or

                are null if the table slot is unused.  The low

                order byte of the next word contains the last

                character of a typewriter name.  The next two

                words contain the user's login time.  The last

                word is unused.

                This file resides in directory /tmp.

SEE ALSO        /etc/init, which maintains the file;

                who(I), which interprets it.