Changing resolution on Knoppix CD (total newbie)

[Preacher_mg]

Hey, I just burned and ran Knoppix for the first time today.
This is my first ever experience with linux - closest I got util now was using Irix X-windows in 96 or so.
So far I'm very impressed, but, y'know, I'd like to see Knoppix and KDE in more than 640X480...
when I change the desktop resolution the change doesn't take efect right away - I'm told I need to "restart the sesion". How do I do this?

And is there some way of saving those settings somewhere on my HD?

[rickenbacherus]

Check out the Cheat codes

And the Docs

You should find your answers there. You can also do this:

CTRL+ALT+ + or -

to change resolution on the fly.