The document discusses operating systems and their requirements. It defines an operating system as a program that interfaces between the user and hardware. It then outlines the various Microsoft operating systems from MS-DOS and Windows 95 to the current Windows 10. Other operating systems mentioned include various Linux distributions like Red Hat, Ubuntu, and Fedora. The document also discusses drivers, service packs, and hardware requirements for Windows XP, Windows 7, and Windows 8.

1. Operating System
Prepared by Prem Sahu

2. Operating system
It is a program which is interface between user and
hardware.

3. Microsoft OS
1.CLI
MS-DOS
2. Client Operating system
Workstation 3
Windows 95
Windows 98
Windows NT(New Technology)
Windows Me( Millennium)
Windows XP( Home Basic, Professional, Enterprise, Media Center)
Windows Vista
Windows 7(Home Basic, Professional, Ultimate)
Windows 8( home, Pro, Enterprise, RT Device)
3. Server Operating system
a. Windows NT server
b. Windows 2000 server
c. Windows 2003 server
d. Windows 2008 Server
e. Windows 2012 server

4. Other OS manufacturer
1. Linux Operating System
This is open source operating system which mean we don’t
need to pay for the OS and not required license agreement,
Download and install in system
List of Linux OS
Red Hat
Ubantu
Fedora
Suse

5. Driver
It is interface between Operating System and hardware to perform a task.
Each hardware manufacturer provides driver for their hardware to support and run with OS.
Device Manager is utility to manage hardware drivers.
We can install, update and remove and roll back driver from device manager.

6. Service Pack
It is a debug file which is released by OS
manufacturer to keep updated the all feature
according to time.
This is provided by OS manufacturer in regular
interval of time to keep update all the security and
compatible features
E.g. Windows XP Service Pack1, Service Pack2, Service Pack3

7. System configuration requirement for
Windows XP
Processor- 233 MHz and above
RAM 1 28MB for 32 bit
Hard disk 5 GB
Graphics Card Microsoft Direct X graphics card

8. System configuration requirement for
Windows 7
Processor- 533 MHz and above
RAM 512MB for 32 bit
1 GB for 64 bit
Hard disk 10 GB
Graphics Card Microsoft Direct X graphics card

9. System configuration requirement for
Windows 8
Processor- 1 GHz and above
RAM 1 GB for 32 bit
2 GB for 64 bit
Hard disk 15 GB to 20 GB
Graphics Card Microsoft Direct X graphics card

10. System configuration requirement for
Windows 8
Processor- 1 GHz and above
RAM 1 GB for 32 bit
2 GB for 64 bit
Hard disk 15 GB to 20 GB
Graphics Card Microsoft Direct X graphics card