comsat(8) - NetBSD Manual Pages

COMSAT(8)               NetBSD System Manager's Manual               COMSAT(8)


NAME
comsat -- biff server
SYNOPSIS
comsat [-l]
DESCRIPTION
comsat is the server process which receives reports of incoming mail and notifies users if they have requested this service. comsat receives mes- sages on a datagram port associated with the ``biff'' service specifica- tion (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 ter- minal 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 characters of the message are printed on the user's termi- nal. Lines which appear to be part of the message header other than the ``From'', ``To'', ``Date'', or ``Subject'' lines are not included in the displayed message.
OPTIONS
The comsat program supports this option: -l The -l option turns on syslogd(8) log messages.
FILES
To find out who's logged on and on what terminals comsat consults: /var/run/utmp /var/run/utmpx
SEE ALSO
biff(1), inetd(8), syslogd(8)
HISTORY
The comsat command appeared in 4.2BSD.
BUGS
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. comsat runs as root so that it can open the users maildrop. NetBSD 5.0.1 June 25, 2004 NetBSD 5.0.1

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