Ever remastered Knoppix?? Its a long tedious process. I did it when I was in my degree college.
If you are a newbie and want to learn Linux then give it a try. You get lot to learn. This is Knoppix remastering wiki:
http://www.knoppix.net/wiki/Knoppix_Remastering_Howto
And for those who tried it, here is a quick way to remaster Knoppix:
