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What is Operating System

Operating System

An OS is system software that manages computer hardware, software resources, and provides common services for the computer.

In simple words, Operating System (OS) works as a middle man between you and your pc's Hardware.

Let me explain it with a graph.::-



For hardware functions such as input and output and memory allocation,the operation system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS fuctions or is interrupted by it.

Operating System are found on many devices that contain a computer from cellular phones and video games.

Lists of Operating Systems:

  1. Windows
  2. Android
  3. iOS 
  4. Mac OS
  5. Linux
  6. Chrome OS
  7. Windows Phone OS

Advantages of Operating Systems:-

  1. Allows you to hide details of hardware by creating an abstraction.
  2. Easy to use with a Graphic User Interface.
  3. Offers an environment in which a user may execute programs/application.
  4. The operating system must make sure that the computer system convenient to use.
  5. OS acts as intermediary among applications and the hardware compnents
  6. It provides the computer system resources with easy to use format.

Disadvantages of Operating System:-

  1. If any issue occurs in OS, you may lose all the content which have been stored in your system.
  2. Operating System's software is quite expensive for small size organization which adds burden on them.
  3. It's never entirely secure as a threat can occur at any time.


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