Tips & tricks for comamd prompt and what can i do with it?

Answer 1

You can do all sorts of things with the command line. What did you have in mind? Here's a couple tutorials:

http://www.tnd.com/camosun/elex130/dostutor1.html

http://www.pcnet-online.com/content/general/200104.htm

Mind you, those are just the basics. You can get really fancy with batch files (automate sequences of commands).