COMMAND: who
ARGUMENTS: [args to limit/modify the display]

Without any arguments, the "who" command displays a list of all players and
developers logged in (that are visible to you).  For each player,
pretitle/name, current status, credits (or regulator level if the player is a
regulator), last 15 C/D ratio, and last 100 C/D ratio is displayed.  For each
developer/administrator, pretitle/name, status, and position/level is
displayed.

To limit the display of "who" to players w/ certain amounts of credits, use a
range of levels as an argument, separated either by a comma or a hyphen (credit
ranges will exclude all regulators).  A group name (in parentheses) can also be
used as an argument to limit the display to that group.  Both system and
user-defined groups are supported (see "help group" for information on how to
setup a user-defined group).  The keywords "dev", "reg", and "player" are also
usable, to indicate developers, regulators, and non-regulators, respectively.  
The keyword "active", used as an argument, eliminates idle users from the list.

An alternate form of display is activated with the "-r" option.  If "-r" is
specified by itself, the online players (ranked by last 15 wars' C/D) are
displayed in sorted order.  See "help finger" for an explanation of the fields
seen in the "-r" display.  The "-rl" flag can also be used instead of "-r" to
get last 100 wars' information instead of last 15.  The "-w" flag can also be
added to see only players who are in the current war (if a war is going), or
will be in the war (if a war has not yet started, their noplay setting,
idleness, and linkdeadness are checked).

EXAMPLES:

who
(see all visible users online, standard display)
who 2000-2499 reg
(see all players with 2000-2499 credits, and regulators, standard display)
who (admin)
(see anyone online in the group (admin), standard display)
who (friends)
(see anyone online in your user-defined (friends) group, standard display)
who active
(see all visible non-idle users online, standard display)
who active dev
(see all non-idle developers)
who -r 20
(see the players currently online, sorted by last 15 wars' C/D)
who -rl 10
(see the players currently online, sorted by last 100 wars' C/D)
who -rw
(see the players that are playing, sorted by last 15 wars' C/D)