05/09/84  how_many_users, hmu

Syntax as a command:  hmu {-control_args} {optional_args}


Function:  tells you how many users are currently logged in on the
system.


Control arguments:
-absentee, -as
   prints load information on absentee users only, even if the absentee
   facility is not running.
-brief, -bf
   suppresses the printing of the headers.  Use it only together with
   one of the optional arguments.
-long, -lg
   prints additional information including the name of the
   installation, the time the system was brought up, the time of the
   next scheduled shutdown, the time of the last shutdown or crash, and
   load information on absentee users.


List of optional arguments:  list only selected users and can be one of
   the following:
Person_id
   lists a count of logged in users with the name Person_id.
.Project_id
   lists a count of logged in users with the project name Project_id.
Person_id.Project_id
   lists a count of logged in users with the name Person_id and the
   project name Project_id.


Notes:  In addition to how many users are currently logged in, hmu
prints the name of the system, the current load on the system, the
maximum load, and, if the absentee facility is running, the number of
absentee users and the maximum number of absentee users.

If you invoke this command without any arguments, basic summary
information is printed.

When you select hmu with optional arguments, absentee counts are
denoted by an asterisk (*).

You are permitted up to 20 classes of selected users.


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Historical Background

This edition of the Multics software materials and documentation is provided and donated
to Massachusetts Institute of Technology by Group BULL including BULL HN Information Systems Inc. 
as a contribution to computer science knowledge.  
This donation is made also to give evidence of the common contributions of Massachusetts Institute of Technology,
Bell Laboratories, General Electric, Honeywell Information Systems Inc., Honeywell BULL Inc., Groupe BULL
and BULL HN Information Systems Inc. to the development of this operating system. 
Multics development was initiated by Massachusetts Institute of Technology Project MAC (1963-1970),
renamed the MIT Laboratory for Computer Science and Artificial Intelligence in the mid 1970s, under the leadership
of Professor Fernando Jose Corbato. Users consider that Multics provided the best software architecture 
for managing computer hardware properly and for executing programs. Many subsequent operating systems 
incorporated Multics principles.
Multics was distributed in 1975 to 2000 by Group Bull in Europe , and in the U.S. by Bull HN Information Systems Inc., 
as successor in interest by change in name only to Honeywell Bull Inc. and Honeywell Information Systems Inc. .

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Permission to use, copy, modify, and distribute these programs and their documentation for any purpose and without
fee is hereby granted,provided that the below copyright notice and historical background appear in all copies
and that both the copyright notice and historical background and this permission notice appear in supporting
documentation, and that the names of MIT, HIS, BULL or BULL HN not be used in advertising or publicity pertaining
to distribution of the programs without specific prior written permission.
    Copyright 1972 by Massachusetts Institute of Technology and Honeywell Information Systems Inc.
    Copyright 2006 by BULL HN Information Systems Inc.
    Copyright 2006 by Bull SAS
    All Rights Reserved