:Info: mailbox.gi: 02/25/82 mailbox

     A message segment used to convey messages between processes.  See
the read_mail and accept_messages commands.


:Info: main_memory_frame.gi: 02/25/82 main memory frame

     A 1024 36-bit word block of main memory that holds a page of a
segment.


:Info: making_a_segment_known.gi: 02/25/82 making a segment known

     Specifying the pathname of a segment to the supervisor, and
receiving a segment number in return.  The segment may then be
referenced by that segment number in the process.  See the initiate 
command.


:Info: master_directory.gi: 02/25/82 master directory

     A directory whose segments reside on a different logical volume
than those of its parent directory.


:Info: memory_units.gi: 02/25/82 memory units

     A measure of the usage a user makes of the system memory
resources.


:Info: message_segment.gi: 02/25/82 message segment

     A special type of segment that is managed by Multics supervisor
programs and is not directly accessible to the user.  A message
segment is simply a permanent place to hold interprocess messages,
e.g., dprint and dpunch requests.


:Info: Multics_card_code.gi: multics_card_code.gi: MCC.gi: mcc.gi: 02/25/82 Multics card code (MCC)

     A code for punched card input and output.  It is essentially the
IBM standard EBCDIC card code.  This is the default code for the
dpunch command.


:Info: multiple_names.gi: 02/25/82 multiple names

     A segment, directory, multisegment file, or link can have more
than one name and may be referred to equally well by any one of its
names.  One of the names is the primary name.  A segment often has
more than one name because it is a program with alternate entry
points; commands often have short names as well as long ones for
convenience in typing (i.e., cwd instead of change_wdir).  


:Info: multisegment_file.gi: MSF.gi: msf.gi: 02/25/82 multisegment file (MSF)

     A file that occupies more than one segment, i.e., a file larger
than 261120 words.  May only be manipulated by certain programs.


:Info: newline.gi: 03/05/82 newline

     The newline, caused by typing the key labeled "RETURN" (or
another key designated for this purpose, such as "CR" or "LF"),
consists of two actions: a carriage return and a linefeed.  It is the
signal to Multics that a command line is ready to be processed.


:Info: nondiscretionary_access.gi: 02/25/82 nondiscretionary access 

     Also referred to as administrative access control, it is used to
restrict discretionary controls in order to enforce the policies of
the system administrator and of the organizations served by the
system.  The system administrator (through AIM) guarantees that only
authorized persons may access certain classes of information.


:Info: object_segment.gi: 02/25/82 object segment

     A procedure or data segment produced as the result of a
compilation with a system-defined format.  An executable object
segment can be directly executed by a process.  Object segments may
also be searched and linked to by the dynamic linking mechanism.


                                          -----------------------------------------------------------


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. .

                                          -----------------------------------------------------------

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