what is an operating system ?

An operating system is a program which is acts as an intermediary between a user of computer/machine and computer/machine hardware. The operating system provides an environment in which a user can work efficiently.

      An operating system provides a user interface towards a machine/computer.

                           

                An operating system plays an important role in computer, it provides a proper user interface toward the computer system. the operating system is a more  powerful program that manages and controls hardware and software on a computer.

Need/Uses Of The Operating System:-

An operating system is very useful in many ways, some reason are described below.

1). OS provides a method of easy interaction between human and computer.

2). OS handles input and output to and from attached storage devices, such as hard disks.

3). It provides security to the user program.

4). It handles control of programming execution.

5). It is managed the use of main memory.

6). It sends messages to each user about the status of operation or error that may have occurred in the system.

7). It is load and schedules a user’s program.

Example Of The Operating System:-

Window:- Window is an operating system which is introduced by Microsoft Corporation in 1985. It is the most commonly used operating system.

Android:- Android operating system is developed by Google. Android OS is compatible with mobile phone and Tablet.

i-OS:-  i-OS operating system is developed by Apple Inc. it is a mobile operating system which is only used in Apple’s mobile and tablet like – iPhone, iPod.

Linux:- Linux operating system is used in PC or Laptop. It is a open source operating system which provides a effective user interface.

MacOS:-  mac operating system is develop by apple. MacOS is only used by apple for Apple’s Laptop and PC.