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Full Discussion: Dynamic MOTD
Top Forums UNIX for Dummies Questions & Answers Dynamic MOTD Post 29167 by Perderabo on Tuesday 1st of October 2002 08:45:55 AM
Old 10-01-2002
I would not want to call this impossible, but it would be very hard and dangerous and there is a better approach to do what you want.

/etc/motd is display because the shells are reading common scripts at login time. For sh, bash, and ksh it is /etc/profile. For csh it might be /etc/.login or some other file. You will need to check the man pages for each shell in use on your system to be sure. But each of these startup scripts will have a "cat /etc/motd" somewhere in them. Just add you own code to do whatever else is needed.
 

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suspend(1)							   User Commands							suspend(1)

NAME
suspend - shell built-in function to halt the current shell SYNOPSIS
sh suspend csh suspend ksh suspend DESCRIPTION
sh Stops the execution of the current shell (but not if it is the login shell). csh Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su. ksh Stops the execution of the current shell (but not if it is the login shell). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5) SunOS 5.11 15 Apr 1994 suspend(1)
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