Please read on this web site you will have better understanding than what i am gonna write here. www.linux.org This site also have free courses for Beginner, Intermediate and Advance user so you will learn it at home when you have free time. But when will you understanding about this system , either you gonna have dual operating system on your pc or just linux instead of MS that is i m sure. http://www.linux.org/lessons/beginner/index.html (for beginners) http://www.linux.org/lessons/interm/index.html (intermediate) http://www.linux.org/lessons/advanced/index.html (Advance)