Live CDs
Live CDs are Linux distributions that can be run straight off the disk with zero installation. A good way to try out several distrobution and figure out which ones you like.
FrozenTech’sLiveCD(List)- http://www.frozentech.com/content/livecd.php
Knoppix - http://www.knoppix.org/
Meips - http://www.mepis.org/
openSUSE - http://www.opensuse.org/
SLAX - http://slax.linux-live.org/
Damn Small Linux - http://www.damnsmalllinux.org/
Whoppix (Security) - http://whoppix.info/
Helix (Forensics) - http://www.e-fense.com/helix/
KnoppMyth (Entertainment) - http://mysettopbox.tv/knoppmyth.html
m0n0wall (Firewall / Router) - http://m0n0.ch/wall/
Games Knoppix (Games) - http://games-knoppix.unix-ag.uni-kl.de/
