What are the Main Functions of Operating System

what are the main functions of operating system

Operating systems are the base of all computer systems. They are responsible for managing tasks such as memory allocation, file management, and process scheduling. In this article, we will be taking a look at some of the most popular operating systems available today.

The Operating System (OS)

The operating system (OS) is the first program that starts up when your computer is turned on. It controls how your computer works and lets you use the applications that you have installed. OS also helps you keep your files organized and keeps track of what’s happening on your computer.

The File System

Operating systems serve a variety of functions that include providing a platform for applications, managing files and directories, and providing security. Most importantly, an operating system ensures that all the hardware on a computer is working together as one cohesive unit.

Memory Management

The operating system is responsible for the management of memory. It includes functions such as allocation, deallocation, and tracking of free and used memory. This ensures that the system can manage its resources effectively.

Processes and Threads

An operating system is a collection of programs that manage the resources of a computer. It provides an interface between the user and the hardware, allows users to access files and commands, allocates storage resources, and keeps track of active processes. The most common functions of an operating system are to:
The most common functions of an operating system are to:
-Manage resources-Allow users to access files and commands-Allocate storage resources-Keep track of active processes

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The User Interface (UI)

An operating system provides the basic functions for managing a computer, such as its memory, storage, and processors. It also allows users to access files and applications. An operating system’s user interface (UI) controls how users interact with the computer.

Security and Access Control

An operating system (OS) is the software that manages computer hardware and provides common services for applications on a computer. OSs provide security, access control, and other features to help users interact with their computers. An OS can be either a complete operating system, such as Windows 10, or it can be a kernel for another OS, such as Android.

Input and Output (I/O)

An operating system is the set of programs that manage a computer’s resources and provide common services for the hardware devices attached to it. The most important functions of an operating system are to:

-Provide an interface between the user and the computer’s hardware.
-Allocate resources to the various tasks running on the computer.
-Protect the user’s data from unauthorized access by other programs or users.


An operating system is the set of programs that manage the hardware and software resources of a computer, allowing users to interact with their machines in a uniform way. Operating systems are essential for both personal computers and large networks, as they allow multiple users to share resources and provide common functionality.

Most modern operating systems are multitasking and multithreaded, meaning that they can handle several tasks at once. They also typically have utilities to help users configure their computer, monitor its performance, and keep track of software updates.

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What are the Main Functions of an Operating System

An operating system is the set of software that manages a computer’s resources and provides an interface to the user. It includes the basic programs that allow a computer to interact with its users and with other computers. Operating systems are essential for any electronic device, from phones to laptops.

An operating system regulates the use of hardware by controlling which applications can access which resources. Applications run on top of the operating system, making it possible to run multiple applications simultaneously. An operating system also manages access to files and drivers, keeps track of user sessions, and maintains settings in memory across reboots.

Operating systems are developed by companies such as Microsoft or Apple, and they are released as open source software in order to encourage competition and innovation. There are many different types of operating systems, each tailored for a different type of device or application.


An operating system is a type of software that helps control and interact with hardware in a computer. It allows users to access applications, files, and the internet; it also handles tasks such as scheduling tasks, maintaining user accounts, and controlling security. Operating systems are essential for performing day-to-day tasks on a computer; without one, many of these functions would be difficult or impossible to perform.

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