The Guardian: Knoppix Has It Covered

“The Knoppix live CD has started a mini-revolution in computing
by putting an entire GNU/Linux desktop system, including major
applications such as browser, email and office suite, on a single
CD that configures itself automatically when you put it in a PC and
switch it on. Its success has led to the creation of hundreds of
live CDs, in all the leading languages, and serving dozens of
specialised fields. The latest version of Knoppix goes even
further.

“Knoppix 4.0 is a live DVD, rather than a live CD. It offers
more than 4GB of compressed free software, a six-fold
increase…”

Complete
Story