HELP!

[Simon]

Hi there

I'm new to this Newsgroup! I'm looking for some help getting my head round
how subdomains  work/are implemented?  I have a domain name
http://www.simonwebdesign.com and I would like to set up
http://staging.simonwebdesign.com how would I set it up and where would the
staging part have to pint to?

even if you can point me in teh direction of some interesting lite reading!

Thanks in anticipation
Simon