An operating system is a type of software that controls and manages computer resources. It is a most important type of system software that makes a computer system usable. The user cannot use a computer system without operating system.
It creates an interface between users and system to take care of the effective utilization of all the software and hardware components of the computer . It is the master controller for all the internal operations of the computer system. Every operating system system performance three basic functions such as managing resources providing users interface and running application.
Some examples of operating system software is macos, novell, netware, Pincus, and Unix, are some popular examples of operating system