What are the Major Functions of an Operating System


what are the major functions of an operating system

For most of us, using a computer is as easy as opening our eyes, clicking on the desktop and typing in what we want to do. But behind the scenes, all of this happens thanks to an operating system – this essential layer of software that manages everything from your computer’s basic functions to its graphical interface. In this article, we’ll take a look at the different functions of an operating system and see just how crucial they are to your computer’s performance.

What is an Operating System

An operating system is a program that manages the user interface and provides an application platform for software. Operating systems are used on computers to manage hardware, provide common services for applications, and provide a structure for sharing resources among programs.

The most common type of operating system is the Windows operating system, which is used by millions of people around the world. Other popular operating systems include the Macintosh OS X and GNU/Linux distributions.

Functions of an Operating System

An operating system (OS) is the main program that runs on a computer and controls its overall operation. It manages hardware resources and provides an interface between the user and the computer’s internal processors.

OSs come in different shapes and sizes, but all of them share some common functions. Some of these include:

1) Providing an environment in which applications can run. This includes managing memory and storage, providing support for network connections, and providing a graphical interface.

2) Managing the flow of information between programs and the computer’s hardware. This includes handling requests for input from users, controlling how data is accessed by programs, and controlling how programs send output to the screen or printer.

3) Supporting user interactions with the computer. This includes providing menus, buttons, windows, and other navigational tools; handling input from keyboards, mice, touch screens, and other pointing devices; and providing notifications about events such as incoming emails or new messages on social media sites.

Types of Operating Systems

An operating system (OS) is the core software of a computer system. It controls how the hardware and software in a computer system interact. There are many different types of OS, but they all share some common functions.

A computer’s hardware relies on an OS to communicate with the various devices within the machine. An OS manages tasks, files, processes, and memory. It also provides a graphical interface for users and administrators.

An OS also helps keep your computer running smoothly by managing programs and files. It can determine which programs can run and when they should run. It also keeps track of where files are located so you can easily access them.

An OS can protect your computer by enforcing rules about what programs can run and where they can go. It can even remove unwanted programs from your computer.

OSes come in many different flavors, but they all have some common functions. Some popular types of OSes include Windows, MacOS, Android, iOS, and Linux.


The major functions of an operating system are to provide a platform for applications to run, to protect users from malicious software and data, and to manage the user’s environment. These functions allow users to use their computers for productive activities, such as working on a document or sending an email, as well as entertainment-related tasks, like browsing the internet or watching a video.