Hii Friends.. This is are useful text books CN Computer Networks — Andrew S Tanenbaum,4th Edition. Pearson Education/PHI OOAD Grady Booch - Object-Oriented Analysis and Design With Applications 2nd ed os Operating System Principles- Abraham Silberchatz, Peter B. Galvin
"The Dream is not What u see in sleep,Dream is d thing which does not let u sleep" -- S.C.Bose