what software do i use on the knoppix cd to compress files?

[Superstoned]

Indeed I think Knoppix should be sold boxed with an kind of book ('course not too big) about how to use it. In the netherlands, this month for the second time a computermagazine ships an knoppix-cd with their latest edition, and of course they feature some articles about how to use it. That's how I started using knoppix, too...