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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 | .\" | |
e8145b60 | 5 | .\" @(#)comsat.8 6.2 (Berkeley) %G% |
05d45a21 | 6 | .\" |
fb3f6c73 | 7 | .TH COMSAT 8C "" |
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8 | .UC 5 |
9 | .SH NAME | |
10 | comsat \- biff server | |
11 | .SH SYNOPSIS | |
12 | .B /etc/comsat | |
13 | .SH DESCRIPTION | |
14 | .I Comsat | |
e8145b60 | 15 | is the server process which receives reports of incoming mail |
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16 | and notifies users if they have requested this service. |
17 | .I Comsat | |
e8145b60 | 18 | receives messages on a datagram port associated with the ``biff'' service |
05d45a21 | 19 | specification (see |
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20 | .IR services (5) |
21 | and | |
22 | .IR inetd (8)). | |
23 | The one line messages are of the form | |
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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" | |
e8145b60 | 42 | biff(1), inetd(8) |
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43 | .SH BUGS |
44 | The message header filtering is prone to error. | |
e8145b60 | 45 | The density of the information presented is near the theoretical minimum. |
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46 | .PP |
47 | Users should be notified of mail which arrives on other | |
e8145b60 | 48 | machines than the one to which they are currently logged in. |
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49 | .PP |
50 | The notification should appear in a separate window so it | |
51 | does not mess up the screen. |