When I was a younging and growing up in the early computer age we didn't have the lovely internet as we know it now. There were however things called BBS's and they were a wealth of knowledge. They had numerous text files on everything from Hacking and Modding to Phreaking, and computer know how. Well when the BBS disappeared so did allot of this knowledge. This site is an archive of all that information.
Check it out here.