📚 **Master Operating System Concepts with Interactive Learning!**

Learn OS is a comprehensive educational app designed for computer science students, software engineers, and anyone preparing for technical interviews. Master Operating System concepts through interactive lessons, quizzes, and hands-on animations.

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## 📖 **Course Content (6 Complete Units)**

**Unit 1: Introduction to Operating Systems**
• What is an OS, Goals, and Functions
• Computer System Architecture (Single, Multi, Clustered)
• OS Operations, Services, and Structures

**Unit 2: Processes and Threads**
• Process Concept and States
• Process Scheduling and Schedulers
• Process Operations (fork, wait, exec, exit)
• Threads and Multithreading Models

**Unit 3: CPU Scheduling**
• Scheduling Criteria and Concepts
• FCFS, SJF, Priority Schedulers
• Round-Robin, Multilevel Queue
• Multilevel Feedback Queue

**Unit 4: Process Synchronization**
• Critical Section Problem
• Peterson's Solution
• Semaphores (Usage & Implementation)
• Classic Problems: Bounded Buffer, Readers-Writers, Dining Philosophers

**Unit 5: Memory Management**
• Basic Hardware and Address Binding
• Swapping and Contiguous Allocation
• Segmentation and Paging
• TLB and Shared Pages

**Unit 6: Virtual Memory Management**
• Demand Paging and Page Fault Handling
• Page Replacement Algorithms (FIFO, LRU, Optimal, MFU, Second Chance)
• Interactive animations for all algorithms!

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## 🎯 **Why Choose Learn OS?**

✓ **6 Comprehensive Units** - Complete OS syllabus coverage
✓ **Interactive Quizzes** - Test your knowledge with detailed explanations
✓ **Step-by-Step Animations** - Visualize complex algorithms (FIFO, LRU, Optimal)
✓ **Progress Tracking** - Track your learning journey
✓ **Coin Rewards System** - Earn coins for completing lessons
✓ **Premium Content Unlock** - Unlock PDFs, Code examples, and PYQs with coins
✓ **Dark/Light Themes** - Learn comfortably anytime
✓ **Ad-Supported with Opt-Out** - Watch optional ads for bonus coins

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## 👨‍🎓 **Perfect For:**

• Computer Science Students (B.Sc, M.Sc, B.E, B.Tech)
• GATE, UGC NET, and University Exam Preparation
• Technical Interview Preparation
• Self-learners and Professionals
• Coding Interview Preparation

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## ✨ **Features You'll Love**

💎 **Interactive Animations** - Watch FIFO, LRU, and Optimal page replacement algorithms work step-by-step

💎 **Smart Quizzes** - Multiple-choice questions with detailed explanations

💎 **Coin System** - Earn 5 coins per lesson, 10 bonus for perfect quizzes

💎 **Store** - Unlock study materials, PDF notes, and code examples

💎 **Progress Dashboard** - Visualize your learning progress

💎 **Bilingual Support** - Dark and Light themes for comfortable reading

💎 **Ad-Supported with Rewards** - Optional ads to earn bonus coins

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## 📱 **Download Now & Start Learning!**

Whether you're preparing for exams, interviews, or just want to strengthen your fundamentals, Learn OS is your complete Operating System learning companion.

🎓 **Learn at your own pace**
🎓 **Test your knowledge with quizzes**
🎓 **Earn rewards while you learn**
🎓 **Visualize complex concepts with animations**

**Perfect for:** University Students | Coding Interview Prep | GATE Exam | Technical Interviews | Self-Learning

**Start mastering Operating Systems today!**

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*Contact: support@learnos.com*