What is Operating System? Discuss about Classification of an Operating system.

on
What is Operating System? Discuss about Classification of an Operating system.

Operating System:-

  • OS(Operating System) is a System Software. which run the computer system.
  • OS is a group of program that controls all the operation of computer system and its components. 
  • An operating of computer system is an integrated set of specialized programs that is used to manage the resources and overall operation of a computer. 
  • A computer can do nothing without operating system. 
  • Operating system must be installed on every computer. User interacts with computer through system. 
  • When computer is turned on, the operating system runs and checks that all parts of the computer are functioning properly. 
  • Operating system manages all operation on computer after loading.
  • Some popular operating system is MS-DOS, UNIX, XENIX, LINUX, WINDOWS – 98/2000, and WINDOWS – XP etc.

Classification/ Types of Operating System
Operating system is classified according to the following criteria’s.

  1. Single-user Operating System 
  2. Multi-user Operating System
  3. Time Shared System
1. Single-user Operating System 
                    Single-User Operating system are allows only one user to use at the Time. For Single User Operating System have to divided into two parts.
  1.     Single user Single-task Operating System: In this Operating System only one task can be performed. i-e MS-DOS
  2.     Single user Multi-task Operating System: In this Operating System more than one task can be performed. i-e XP, Me, 7,8,10,Golden, Vista
2. Multi user Operating System: Multi user operating system allow more then one user at a time to use the system.
    For example: LINUX, XENIX, UNIX, UBUNTU, Solaris, Windows server 2000/2008/2012
 3. Time Shared System: It usually consists of a “dump” type terminal connected by data lines to a centralized Micro-Computer based system that controls all operations.

Comments

Post a Comment