What is an Operating System?

 Introduction

Before diving deep into Linux or Oracle, it’s important to understand the basics. The Operating System (OS) is the foundation that manages hardware, software, and user interactions. Without it, your computer would just be a pile of circuits and chips with no coordination.

Step 1: Definition of an Operating System

➡️ An OS is system software that manages computer hardware and provides services for applications.

Step 2: Main Functions of an Operating System

1. Process Management – Handles running applications.

2. Memory Management – Allocates and frees memory.

3. File System Management – Organizes data in files and directories.

4. Device Management – Controls input/output devices.

5. Security & User Management – Protects data and manages users.

Step 3: Examples of Operating Systems

Windows

Linux

macOS

Android

iOS

Conclusion

The operating system is the heart of every computer system. Whether you’re managing databases, running servers, or just browsing the web, the OS is always working in the background to make it possible.