Operating System (OS) is the fundamental software that manages a computer's hardware and software resources, providing a platform for applications to run. It serves as an intermediary between users and the computer's hardware.
Key Functions:
- Resource Management: Controls hardware components like CPU, memory, and storage.
- User Interface: Offers interfaces such as graphical (GUI) or command-line (CLI) for user interaction.
- Task Management: Handles processes and multitasking, ensuring efficient execution of programs.
- File System Management: Organises data storage and retrieval.
- Security: Provides user authentication and access controls.
Common Examples:
- Desktop and Mobile OS: Windows, macOS, Linux, Android, iOS.
- Server OS: Windows Server, Ubuntu Server, Red Hat Enterprise Linux.
In summary, an Operating System is essential for running applications and enabling users to interact with their devices efficiently.
