On Sun, 1 Jun 2003, Jonathan Hutchins wrote:

> If I wanted to run a program on one computer, and display it on another, I 
> could either run VNC or I could just export the X display.  What are the 
> relative merits of each approach? 

X can display remotely on a program-by-program basis.  VNC requires that
you export the entire display, desktop and all.  Both can be tunnelled via
SSH.