>>       Or recommend me a beginner's book, I'll be appreciative for  
>> this.
> You can start with the old online version of the Pickaxe book:
> http://www.rubycentral.com/pickaxe/

Or read "Why's (poignant) guide to ruby" (http://poignantguide.net/ 
ruby/) to have some serious fun while learning.

Cheers,
	Bjoern