NEWUSERS usermask,form,mode

This lists the current EMAS users.   The names that are given are
derived from the Mailer program, and 'guesses' are made for those that
are not known.

USERMASK can be any 6 characters of mask, only users matched with the mask
         are listed.  For example a mask of "E??U??" will only list the
         Edinburgh student users.   Trailing '?'s may be omitted.
         The default mask is all users.

FORM     this can be N (normal, (default)) or B (brief) or V (very brief),
         which selects how much information is given.

MODE     can be any combination of the letters F, B and S for Fore ground,
         Batch and System users, respectivly.   The default is F.

eg.   NEWUSERS   or   NEWUSERS ,,FBS   or   NEWUSERS ,B   or   NEWUSERS ER????