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+# 🖥️ Introduction to Operating Systems
+
+## 📘 What is an Operating System?
+An **Operating System (OS)** is system software that manages computer hardware, software resources, and provides services for computer programs.  
+It acts as an interface between the user and the hardware, ensuring efficient execution of tasks.
+
+---
+
+## ⚙️ Key Functions of an OS
+- **Process Management:** Controls execution of programs and multitasking.  
+- **Memory Management:** Allocates and deallocates memory space as needed.  
+- **File Management:** Organizes data into files and directories.  
+- **Device Management:** Controls and communicates with input/output devices.  
+- **Security & Access Control:** Protects data and resources from unauthorized access.  
+
+---
+
+
+## 📚 Recommended Tutorials and Guides
+1. [Operating System - GeeksforGeeks](https://www.geeksforgeeks.org/operating-systems/)  
+2. [Operating System Notes - Tutorialspoint](https://www.tutorialspoint.com/operating_system/index.htm)  
+3. [Neso Academy OS Playlist (YouTube)](https://www.youtube.com/playlist?list=PLBlnK6fEyqRjoG6aJ4FvFU1tlXbjLBiOP)  
+4. [Operating System Concepts Book (Silberschatz)](https://www.os-book.com/)  
+5. [Linux Journey - Learn Linux Online](https://linuxjourney.com/)  
+
+
+
+Would you like me to make a **shorter version (for lab practical submission)** or keep this **detailed format (for documentation repo upload)**?