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__NAME__


comsat - biff server
__SYNOPSIS__


comsat
__DESCRIPTION__


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 asso-
ciated with the ``biff'' service specification (see
services(5) and inetd(8)). The one line
messages are of the form:


user@mailbox-offset


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 appropriate mailbox file and the first
7 lines or 560 char- acters 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.
__FILES__
       /var/run/utmp


to find out who's logged on and on what termi-
nals


__SEE ALSO__


biff(1), inetd(8)
__BUGS__


The message header filtering is prone to error. The density
of the information presented is near the theoretical mini-
mum.


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 netbug@ftp.uk.linux.org and include
diffs/patches, compiler error logs or as complete a bug
report as you are able.
__HISTORY__


The comsat daemon appeared in 4.2 BSD
.


Linux !NetKit (0.17-pre-20000412)July 31, 1999
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7 pages link to comsat(8):

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Last edited on Monday, June 3, 2002 11:58:40 pm by "perry"

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