There you are, staring at a crashed Gnome session, CTRL-ALT-BKSPC does nothing. ALT-CTRL-F1 won’t bring you to a terminal where you could cd to /etc/init.d and restart gdm. In short, your choices seem to be limited to holding down the power button and chancing file system corruption or nothing.
But wait! There’s two more options that you may not have known about!
More info here
You are probably wondering what on earth the thread title has to do with this article
Well read on and you will find out…