http://distrowatch.com
http://www.debian.org
http://www.debianhelp.org
http://www.debianhelp.co.uk
http://www.freebsd.org
http://forums.freebsd.org
http://www.netbsd.org
http://www.slackware.com
http://www.linuxquestions.org
http://fedoraproject.org
http://www.gentoo.org
http://www.freecode.com
http://www.sourceforge.net
http://www.ubuntu.com
http://www.linux.org
http://www.kernel.org
http://www.planetsourcecode.com
http://www.packetstormsecurity.org
http://sectools.org
