for a start,...
What is this ? ...
is a very poor topic.


if you always boot from the cd-rom, and would like to be able to have settings saved somewhere,
you make a knoppix directory somewhere in your normal OS hdd, and, or should that be, but you have to boot with
knoppix home=/hda/temp/knoppix

read in http://www.knoppix.net/wiki/Cheat_Codes to see if it makes more sense to you....