What is Operating Systems?

An Operating System (OS) is a type of system software that manages computer hardware, software resources, and provides services for computer programs. It's the essential software that allows users and applications to interact with the hardware of a computer or device.

Key Functions of an Operating System:

1. Process Management – Handles creation, scheduling, and termination of processes.

2. Memory Management – Manages primary memory (RAM), allocating and deallocating memory space as needed.

3. File System Management – Organizes, stores, retrieves, and manages data on storage devices.

4. Device Management – Controls input/output devices (e.g., keyboard, mouse, printer, etc.).

5. User Interface – Provides the interface for user interaction (Graphical or Command-Line Interface).

6. Security and Access Control – Protects system data and resources from unauthorized access.

7. Multitasking – Allows multiple programs to run at the same time.

Examples of Operating Systems:

• Windows (Microsoft)

• macOS (Apple)

• Linux (Open-source)

• Android (Google, for mobile devices)

• iOS (Apple, for iPhones and iPads)