Article for Topic Idea
http://www.linuxforums.org/reviews/overview_of_the_ten_major_linux_distributions.html


Debian and Derivs.

Debian http://www.debian.org/
Damn Small Linux http://www.damnsmalllinux.org/
Knoppix http://www.knoppix.com/
Kanotix http://kanotix.com/index.php?&newlang=eng
Mepis http://www.mepis.com/
Ubuntu http://www.ubuntu.com/
Xandros http://www.xandros.com/

Rpm Based

Fedora http://fedoraproject.org/wiki/
Mandriva http://wwwnew.mandriva.com/
OpenSuSE http://en.opensuse.org/Welcome_to_openSUSE.org

Source and Other

Slackware http://www.slackware.com/
BackTrack http://www.remote-exploit.org/index.php/Main_Page
Gentoo http://www.gentoo.org/
ArchLinux http://www.archlinux.org/

Check Here for any Distro! http://distrowatch.com/