KDE crashing constantly

[Gordon Neault]

It's Control-Alt-Delete, which in Mac is the same as Control-Option-Delete.
  Most Apple KB's are marked with both Control and Alt on that key, but if 
not that's the one you want.

Tom Rymes wrote:
Sorry that I can't help with your problem. (Maybe run Xconfigurator again?
) but how are you killing the X server. I know on some intel boxes I used 
a while ago I could hit ctrl-shift-del or something similar.