1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
12.\" 3. All advertising materials mentioning features or use of this software
13.\" must display the following acknowledgement:
14.\" This product includes software developed by the University of
15.\" California, Berkeley and its contributors.
16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)comsat.8 8.1 (Berkeley) 6/4/93
| 1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
12.\" 3. All advertising materials mentioning features or use of this software
13.\" must display the following acknowledgement:
14.\" This product includes software developed by the University of
15.\" California, Berkeley and its contributors.
16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)comsat.8 8.1 (Berkeley) 6/4/93
|
34.\"
35.Dd June 4, 1993
36.Dt COMSAT 8
37.Os
38.Sh NAME
39.Nm comsat
40.Nd biff server
41.Sh SYNOPSIS
42.Nm
43.Sh DESCRIPTION
44The
45.Nm
46utility is the server process which receives reports of incoming mail
47and notifies users if they have requested this service.
48The
49.Nm
50utility receives messages on a datagram port associated with the
51.Dq biff
52service
53specification (see
54.Xr services 5
55and
56.Xr inetd 8 ) .
57The one line messages are of the form:
58.Pp
59.Dl user@mailbox-offset[:mailbox-name]
60.Pp
61If the
62.Em user
63specified is logged in to the system and the associated terminal has
64the owner execute bit turned on (by a
65.Dq Li biff y ) ,
66the
67.Em offset
68is used as a seek offset into the appropriate mailbox file and
69the first 7 lines or 560 characters of the message are printed
70on the user's terminal. Lines which appear to be part of
71the message header other than the
72.Dq From ,
73.Dq \&To ,
74.Dq Date ,
75or
76.Dq Subject
77lines are not included in the displayed message.
78.Pp
| 34.\"
35.Dd June 4, 1993
36.Dt COMSAT 8
37.Os
38.Sh NAME
39.Nm comsat
40.Nd biff server
41.Sh SYNOPSIS
42.Nm
43.Sh DESCRIPTION
44The
45.Nm
46utility is the server process which receives reports of incoming mail
47and notifies users if they have requested this service.
48The
49.Nm
50utility receives messages on a datagram port associated with the
51.Dq biff
52service
53specification (see
54.Xr services 5
55and
56.Xr inetd 8 ) .
57The one line messages are of the form:
58.Pp
59.Dl user@mailbox-offset[:mailbox-name]
60.Pp
61If the
62.Em user
63specified is logged in to the system and the associated terminal has
64the owner execute bit turned on (by a
65.Dq Li biff y ) ,
66the
67.Em offset
68is used as a seek offset into the appropriate mailbox file and
69the first 7 lines or 560 characters of the message are printed
70on the user's terminal. Lines which appear to be part of
71the message header other than the
72.Dq From ,
73.Dq \&To ,
74.Dq Date ,
75or
76.Dq Subject
77lines are not included in the displayed message.
78.Pp
|
79If mailbox-name omitted, standard mailbox assumed.
80.Sh FILES
81.Bl -tag -width /var/mail/user -compact
82.It Pa /var/run/utmp
83to find out who's logged on and on what terminals
84.It Pa /var/mail/user
85standard mailbox
86.El
87.Sh SEE ALSO
88.Xr biff 1 ,
89.Xr inetd 8
90.Sh BUGS
91The message header filtering is prone to error.
92The density of the information presented is near the theoretical minimum.
93.Pp
94Users should be notified of mail which arrives on other
95machines than the one to which they are currently logged in.
96.Pp
97The notification should appear in a separate window so it
98does not mess up the screen.
99.Sh HISTORY
100The
101.Nm
102utility appeared in
103.Bx 4.2 .
| 86If mailbox-name omitted, standard mailbox assumed.
87.Sh FILES
88.Bl -tag -width /var/mail/user -compact
89.It Pa /var/run/utmp
90to find out who's logged on and on what terminals
91.It Pa /var/mail/user
92standard mailbox
93.El
94.Sh SEE ALSO
95.Xr biff 1 ,
96.Xr inetd 8
97.Sh BUGS
98The message header filtering is prone to error.
99The density of the information presented is near the theoretical minimum.
100.Pp
101Users should be notified of mail which arrives on other
102machines than the one to which they are currently logged in.
103.Pp
104The notification should appear in a separate window so it
105does not mess up the screen.
106.Sh HISTORY
107The
108.Nm
109utility appeared in
110.Bx 4.2 .
|