What is Operating System?

The operating system is a program designed to run other programs on a computer. An Operating system is the most important program of any computer which at as interface between user and hardware. It’s considered as the backbone of the computer.
                         The operating system is responsible for each and allocation of memory to input from external devices and output to a computer display.
 

Types of Operating system listed below:-

(I) General Purpose Operating System.
(II) Special Purpose Operating System.
(III) Batch Processing Operating System.
(IV) Multi-User Processing Operating System.
(V) Single User Operating System.
(VI) Multi Programming Operating System.
(VII) Multi-Processor Operating System.
(VIII) Real-Time Operating System.
(IX) Embedded Operating System.