Functions of operating system
1. Process management: The operating system manages and schedules processes, allocates resources, and handles process synchronization and communication.
2. Memory management: The operating system is responsible for managing the computer's memory, including allocating and freeing up memory space for processes and managing virtual memory.
3. File system management: The operating system organizes and manages files and directories, including providing access controls, file permissions, and file sharing capabilities.
4. Device management: The operating system controls and manages resources such as printers, scanners, and disk drives, including device driver management and handling input/output operations.
5. User interface: The operating system provides a user interface that allows users to interact with the computer system, including the command-line interface, graphical user interface, or a combination of both.
6. Networking: The operating system facilitates network communication, including managing network connections, protocols, and security settings.
7. Security: The operating system enforces security measures to protect the computer system and its data, including user authentication, data encryption, and access controls.
8. Error detection and handling: The operating system detects and handles errors and exceptions that occur during the execution of processes or the utilization of resources.
9. Resource allocation: The operating system manages and allocates system resources such as CPU time, memory, disk space, and network bandwidth to ensure efficient and fair utilization.
10. System monitoring and performance management: The operating system monitors system performance, collects data, and provides tools for performance analysis and optimization.