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1.1 ! root 1: .\" Copyright (c) 1983 The Regents of the University of California. ! 2: .\" All rights reserved. ! 3: .\" ! 4: .\" Redistribution and use in source and binary forms are permitted provided ! 5: .\" that: (1) source distributions retain this entire copyright notice and ! 6: .\" comment, and (2) distributions including binaries display the following ! 7: .\" acknowledgement: ``This product includes software developed by the ! 8: .\" University of California, Berkeley and its contributors'' in the ! 9: .\" documentation or other materials provided with the distribution and in ! 10: .\" all advertising materials mentioning features or use of this software. ! 11: .\" Neither the name of the University nor the names of its contributors may ! 12: .\" be used to endorse or promote products derived from this software without ! 13: .\" specific prior written permission. ! 14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 17: .\" ! 18: .\" @(#)comsat.8 6.4 (Berkeley) 6/24/90 ! 19: .\" ! 20: .TH COMSAT 8 "June 24, 1990" ! 21: .UC 5 ! 22: .SH NAME ! 23: comsat \- biff server ! 24: .SH SYNOPSIS ! 25: .B comsat ! 26: .SH DESCRIPTION ! 27: .I Comsat ! 28: is the server process which receives reports of incoming mail ! 29: and notifies users if they have requested this service. ! 30: .I Comsat ! 31: receives messages on a datagram port associated with the ``biff'' service ! 32: specification (see ! 33: .IR services (5) ! 34: and ! 35: .IR inetd (8)). ! 36: The one line messages are of the form ! 37: .PP ! 38: .ti +0.5i ! 39: user@mailbox-offset ! 40: .PP ! 41: If the ! 42: .I user ! 43: specified is logged in to the system and the associated terminal has ! 44: the owner execute bit turned on (by a ``biff y''), the ! 45: .I offset ! 46: is used as a seek offset into the appropriate mailbox file and ! 47: the first 7 lines or 560 characters of the message are printed ! 48: on the user's terminal. Lines which appear to be part of ! 49: the message header other than the ``From'', ``To'', ``Date'', ! 50: or ``Subject'' lines are not included in the displayed message. ! 51: .SH FILES ! 52: .DT ! 53: /var/run/utmp to find out who's logged on and on what terminals ! 54: .SH "SEE ALSO" ! 55: biff(1), inetd(8) ! 56: .SH BUGS ! 57: The message header filtering is prone to error. ! 58: The density of the information presented is near the theoretical minimum. ! 59: .PP ! 60: Users should be notified of mail which arrives on other ! 61: machines than the one to which they are currently logged in. ! 62: .PP ! 63: The notification should appear in a separate window so it ! 64: does not mess up the screen.
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