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COMSAT(8) BSD System Manager's Manual COMSAT(8)
comsat -- biff server
Comsat is the server process which receives reports of incoming mail and notifies users if
they have requested this service. Comsat receives messages on a datagram port associated
with the ``biff'' service specification (see services(5) and inetd(8)). The one line mes-
sages are of the form:
If the user specified is logged in to the system and the associated terminal has the owner
execute bit turned on (by a ``biff y''), the offset is used as a seek offset into the appro-
priate mailbox file and the first 7 lines or 560 characters of the message are printed on
the user's terminal. Lines which appear to be part of the message header other than the
``From'' or ``Subject'' lines are not included in the output.
/var/run/utmp to find out who's logged on and on what terminals
The message header filtering is prone to error. The density of the information presented is
near the theoretical minimum.
Users should be notified of mail which arrives on other machines than the one to which they
are currently logged in.
The notification should appear in a separate window so it does not mess up the screen.
Please report bugs to firstname.lastname@example.org and include diffs/patches, compiler error logs
or as complete a bug report as you are able.
The comsat daemon appeared in 4.2BSD.
Linux NetKit (0.17-pre-20000412) July 31, 1999" Linux NetKit (0.17-pre-20000412)
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