What is Operating system
An operating system is a set of programs that coordinates all the
activities among computer hardware devices. It provides a means for users to
communicate with the computer and other software. The most common operating
system in used today are: Microsoft’s
Windows and Mac OS
· =Single-user
or personal user
· = Multi-user
· =Networked
· =Online
Operating System
· =Real
time system
· =Batch
processing Systems