The X-Windows Disaster (1994)
X is kind of amazing.<p>Once, just for fun, I had an SGI do window management, another one serve up fonts, a linux box serving apps via NFS, and yet another headless SGI running a shared app displayed on yet another Linux machines X window server session.<p>It was surreal.  Launch that app, and all those machines contributed to the interaction of it.<p>Plus, it made that instance of RH Linux look like an SGI.  4dwm has a distinct look and feel.<p>For the most part, running over a 100T network, one could not tell all that was happening.  (Was a high end CAD app.)<p>Later, I did run that same app remotely, using its Windows NT build and the Exceed X server for Win NT.  Cool.