What is an operating system?
An operating system can be understood as a collection of programs and utilities which can act as an interface between the users and computer.
It is the operating system that provides instructions to the computer to operate in particular way in different conditions. The main function of operating system is to create a user friendly environment.
Functions of operating system
The following are the functions of operating system:
Managing users program
Managing the memories of the computer
Managing the I/O operations
Controlling the security of the computer
Types of operating systems
There are several types of operating system as stated below:
Batch processing operating system
Multi-tasking operating system
Multiprogramming operating system
Multithreading operating system
Real-time operating system
Multiprocessing operating system
Distributed operating system
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