On Wed, Mar 20, 2002 at 01:16:23PM -0600, Rodney G. Garayt wrote:
> I'd like to have a pop-up window with my own messages come up on the
> desktop when my kids login.  I'm wondering what I could use to do this.
> I have no clues on where to start with this idea.  Any suggestions?

You could set up swatch to monitor one of the log files in /var/log that
gets updated when people log in (auth.log ...).

As for pop-up windows, maybe use Tcl/Tk to write a simple script - see 
http://tcl.activestate.com/ for more info.

Joel