Main functions of an operating system

 

Function	Description
Process Management	Manages the execution of multiple processes, including scheduling, creation, and termination of processes.
Memory Management	Handles allocation and deallocation of memory space as needed by different programs, ensuring efficient use of memory.
File System Management	Manages files on various storage devices, including reading, writing, creation, deletion, and permissions.
Device Management	Controls and manages the use of hardware devices like printers, disk drives, and display screens, providing a uniform interface for hardware access.
Security and Protection	Protects data and resources from unauthorized access and ensures system stability and integrity.
User Interface	Provides a user interface, either command-line (CLI) or graphical (GUI), to interact with the system and execute programs.
I/O System Management	Manages input and output operations, buffering, and device drivers to facilitate communication between hardware and the system.
Resource Allocation	Allocates and manages resources such as CPU time, memory space, and I/O devices to various programs running on the system.
Networking	Manages networking capabilities, enabling communication between computers and devices over local and wide area networks.
Error Detection and Handling	Monitors the system for errors and takes appropriate actions to ensure correct and efficient operation.

This table outlines the core functions of an operating system, showcasing its role in managing hardware and software resources to provide a stable and efficient computing environment.