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1.1 ! root 1: .\" Copyright (c) 1983 Regents of the University of California. ! 2: .\" All rights reserved. The Berkeley software License Agreement ! 3: .\" specifies the terms and conditions for redistribution. ! 4: .\" ! 5: .\" @(#)comsat.8c 6.2 (Berkeley) 5/20/86 ! 6: .\" ! 7: .TH COMSAT 8C "May 20, 1986" ! 8: .UC 5 ! 9: .SH NAME ! 10: comsat \- biff server ! 11: .SH SYNOPSIS ! 12: .B /etc/comsat ! 13: .SH DESCRIPTION ! 14: .I Comsat ! 15: is the server process which receives reports of incoming mail ! 16: and notifies users if they have requested this service. ! 17: .I Comsat ! 18: receives messages on a datagram port associated with the ``biff'' service ! 19: specification (see ! 20: .IR services (5) ! 21: and ! 22: .IR inetd (8)). ! 23: The one line messages are of the form ! 24: .PP ! 25: .ti +0.5i ! 26: user@mailbox-offset ! 27: .PP ! 28: If the ! 29: .I user ! 30: specified is logged in to the system and the associated terminal has ! 31: the owner execute bit turned on (by a ``biff y''), the ! 32: .I offset ! 33: is used as a seek offset into the appropriate mailbox file and ! 34: the first 7 lines or 560 characters of the message are printed ! 35: on the user's terminal. Lines which appear to be part of ! 36: the message header other than the ``From'', ``To'', ``Date'', ! 37: or ``Subject'' lines are not included in the displayed message. ! 38: .SH FILES ! 39: .DT ! 40: /etc/utmp to find out who's logged on and on what terminals ! 41: .SH "SEE ALSO" ! 42: biff(1), inetd(8) ! 43: .SH BUGS ! 44: The message header filtering is prone to error. ! 45: The density of the information presented is near the theoretical minimum. ! 46: .PP ! 47: Users should be notified of mail which arrives on other ! 48: machines than the one to which they are currently logged in. ! 49: .PP ! 50: The notification should appear in a separate window so it ! 51: does not mess up the screen.
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