I was gonna cut 'n' paste but it's kinda to big for that, its a collection of info that I have picked up over the years, little scraps of info so to say...

The majority is bang out of my little mind.

It can be found here its well worth a read, even if you have been around for a while, it might just refresh the basic's

http://user.7host.com/phuka/philes/2-hack.txt