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05d45a21 KM |
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 | .\" | |
fb3f6c73 | 5 | .\" @(#)comsat.8 6.1 (Berkeley) %G% |
05d45a21 | 6 | .\" |
fb3f6c73 | 7 | .TH COMSAT 8C "" |
05d45a21 KM |
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 listens for reports of incoming mail | |
16 | and notifies users if they have requested this service. | |
17 | .I Comsat | |
18 | listens on a datagram port associated with the ``biff'' service | |
19 | specification (see | |
20 | .IR services (5)) | |
21 | for one line messages of the form | |
22 | .PP | |
23 | .ti +0.5i | |
24 | user@mailbox-offset | |
25 | .PP | |
26 | If the | |
27 | .I user | |
28 | specified is logged in to the system and the associated terminal has | |
29 | the owner execute bit turned on (by a ``biff y''), the | |
30 | .I offset | |
31 | is used as a seek offset into the appropriate mailbox file and | |
32 | the first 7 lines or 560 characters of the message are printed | |
33 | on the user's terminal. Lines which appear to be part of | |
34 | the message header other than the ``From'', ``To'', ``Date'', | |
35 | or ``Subject'' lines are not included in the displayed message. | |
36 | .SH FILES | |
37 | .DT | |
38 | /etc/utmp to find out who's logged on and on what terminals | |
39 | .SH "SEE ALSO" | |
40 | biff(1) | |
41 | .SH BUGS | |
42 | The message header filtering is prone to error. | |
43 | .PP | |
44 | Users should be notified of mail which arrives on other | |
45 | machines than the one they are currently logged in to. | |
46 | .PP | |
47 | The notification should appear in a separate window so it | |
48 | does not mess up the screen. |