IBM Developerworks has an overview of Damn Small Linux. Unfortunately, the author keeps referring to it as “DSL Linux”, which, I think, expands to Damn Small Linux Linux. But besides that minor annoyance, the article has quite a good summary of the packages on the DSL LiveCD, and a few tips for using it.
Need a teeny-tiny, business-card-sized, open source operating system that squeezes a lot of software into a little space? Take a look at DSL Linux®. This quick review shows you how to use the miniscule OS, highlights the on-board applications, details how to load and start it, and explains how to save between sessions when using a bootable CD.