Getting to Getting to Know Different Operating Know Different Operating

System (O.S.)System (O.S.)

Operating System

• Is referred to as the manager of the computer as it directs, monitors and allocates resources for programs to be executed as needed by the user. It also provides the interface for which the user interacts with to communicate with the computer.

Different Computer O.S. :

1. Windows

Example distribution/ variant Windows 95 Windows XP Windows 8

2. Mac OS

Example distribution/ variant Mac OS X Snow Leopard Mac OS X Lion Mac OS X Mountain Lion

3. Linux

Example distribution/ variant Ubuntu Debian Fedora

4. Unix

5. DOS

Different MobileO.S. :

1. Windows Phone

Sample Versions:

Windows Phone 7

Windows Phone 8

2. iOS

Sample Versions:

iOS 5

iOS 6

3. Android

Sample Versions:

Ice-cream Sandwich

Jelly Bean