Im new to LINUX and I want to know how can I

have a virtual hosting on my LINUX BOX.
Please help me.

There are several ways to do it, depending on your needs. Have you been to http://httpd.apache.org/docs/vhosts/ - It's very informative.

Subdomain on Linux, HOW?
 

What about creating subdomain on LINUX

where in I have a certain web directory and I want it to
be accessible as subdomain using same server.

like I have this directory :
http://www.domain.com/~marson
and I want it to be accessible throguh web like this:
marson.domain.com

thanks for any information you can give me

have a happy new year!!!!

regards marson