@shome
Stop googling ?
Not sure I agree with that one. Google is the nectar of the God's for me.
Don't get me wrong,
I agree Google is a very useful tool, but you need to know the limits.
Many people tend to spend their time to search a 'golden bullet' and never get to doing things.
Finding a good starting point of course is very helping if not primordial. But once you get one, do things, don't waste time asking and searching a more convenient way to learn,
that's what I meant.
He already has a starting point:
I plan to cover concepts on Operating Systems, Networking and stuff....
But he still searches instead of starting to learn:
Googled a lot but I am still confused
@OP:
Install Linux, start learning about networking, and the rest will come itself.
Also, make sure to check the first link in my first post, it may very well introduce you to these subjects. Especially Linux, networking and penetration testing.