10-20-2011
What do you mean by 'display'? Are you testing software for a server that will literally have several independent video monitors?
If not, I don't see how you'd even have two different displays.
If you mean this in a less literal sense, remote desktop sessions like vnc should suffice.
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LEARN ABOUT REDHAT
comsat
COMSAT(8) BSD System Manager's Manual COMSAT(8)
NAME
comsat -- biff server
SYNOPSIS
comsat
DESCRIPTION
Comsat is the server process which receives reports of incoming mail and notifies users if they have requested this service. Comsat receives
messages on a datagram port associated with the ``biff'' service specification (see services(5) and inetd(8)). The one line messages are of
the form:
user@mailbox-offset
If the user specified is logged in to the system and the associated terminal has the owner execute bit turned on (by a ``biff y''), the
offset is used as a seek offset into the appropriate mailbox file and the first 7 lines or 560 characters of the message are printed on the
user's terminal. Lines which appear to be part of the message header other than the ``From'' or ``Subject'' lines are not included in the
output.
FILES
/var/run/utmp to find out who's logged on and on what terminals
SEE ALSO
biff(1), inetd(8)
BUGS
The message header filtering is prone to error. The density of the information presented is near the theoretical minimum.
Users should be notified of mail which arrives on other machines than the one to which they are currently logged in.
The notification should appear in a separate window so it does not mess up the screen.
Please report bugs to netbug@ftp.uk.linux.org and include diffs/patches, compiler error logs or as complete a bug report as you are able.
HISTORY
The comsat daemon appeared in 4.2BSD.
Linux NetKit (0.17-pre-20000412) July 31, 1999" Linux NetKit (0.17-pre-20000412)