www.1001tutorials.com/c/index.shtml
for your foray into C.
your best bet, and I'm not trying to be a smartass, is go to google.com and search for C tutorials......you will get a ton of links.
as for learning linux:
www.learninglinux.com
www.redhat.com(obviously)
www.linuxnewbie.org
You are also at one of the best references for learning linux.......antionline.com ask here in the *nix forums......
or IRC.antionline.com if you want to come and chat about it sometime.I am there mainly during the day, and there are plenty of others to talk to as well
if you like, I have a 1500 page linux command reference book in .pdf format. email me or PM me if you are interested.
