I would recommend getting used to BASH first if you're just starting out. Some people here are zsh zealots, but if you plan to work on remote systems, you're going to encounter BASH. You'll also appreciate whatever fancy benefits zsh offers more.

http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html

A good start for leveraging common bash features. You'll find a lot of the ckncepts , if not syntax, useful in any *sh

brilliant. Thank you