What is an Operating System?

What is an operating system? (cont’d)

What is an Operating System

Major OS Issues

Operating Systems

Kinds of operating systems

Kinds of operating systems (1)

Kinds of operating systems (2)

Kinds of operating systems (3)

Kinds of operating systems (4)

Kinds of operating systems (5)

Kinds of operating systems (6)

OS History – Unix & Linux

OS History - Linux

OS History - Linux

OS History – Windows NT/2000/XP

OS History – Windows NT/2000/XP

OS History – Windows NT/2000/XP