Linux and Kernels:
............................

www.freeos.com
www.linuxhotbox.com
www.linux-mag.com
www.linuxjournal.com
www.linuxgazette.com
www.linux.org
www.kernel.org
www.linuxiso.org

Distributions:
.......................

www.debian.org
www.mandrakelinux.com
www.redhat.com
www.gentoo.com
www.suse.com

Linux FAQ:
................

www.tldp.org/FAQ/Linux-FAQ/
www.gnu.org/gnu/gnu-linux-faq.html
tips.linux.com

Tutorials:
..............

www.linux.about.com
www.geektimes.com
www.gayanb.com
www.click-now.net
elibrary.fultus.com

RPM Download and Drivers:
........................................

apt.freshrpms.net
rpmfind.net
www.linuxbasis.com
www.linuxant.com