# Learn Operating System I > Learn Operating Systems CPU scheduling,memory management,threads&synchronization Canonical page: [https://chrome-stats.com/d/com.vikrant.learn\_os\_1](https://chrome-stats.com/d/com.vikrant.learn_os_1) ## Overview - **ID:** `com.vikrant.learn_os_1` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Vikrant.exe - **Category:** EDUCATION - **Downloads:** 145 - **Version:** 1.7.0 - **Last updated:** 2026-07-26 - **First published:** 2026-05-25 - **Publisher country:** IN - **Size:** 53 MB - **Data as of:** 2026-09-15 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.vikrant.learn_os_1) - **Website:** [https://bsc-cs-ads.netlify.app/](https://bsc-cs-ads.netlify.app/) - **Privacy policy:** [https://vikrant-29.github.io/learnos-privacy/](https://vikrant-29.github.io/learnos-privacy/) ## Description 📚 **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* ## Rankings - #1,840,959 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.vikrant.learn_os_1.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Operating Systems - MasterNow](https://chrome-stats.com/d/operating.systems.computer.science) — 461 users - [Operating Systems](https://chrome-stats.com/d/in.softecks.operatingsystems) — 12,863 users, 5.00 / 5 - [operating system visualizer](https://chrome-stats.com/d/com.nakshatra.os_vision) — 17 users - [Learn Operating system](https://chrome-stats.com/d/com.EducationalAppz.LearnOperatingSystem) — 3,065 users - [Operating System - CompEduBox](https://chrome-stats.com/d/com.computerdictionary.mcqtutorial.computerbitspradip) — 9,098 users, 5.00 / 5 - [Operating System Scheduling](https://chrome-stats.com/d/com.quizfactory.global.operatingsystemschedulin) — 2 users - [Operating system](https://chrome-stats.com/d/com.sqstech.operating_system) — 821 users - [Operating System MCQ and More](https://chrome-stats.com/d/com.operatingsystem.mcq.computerbitspradip) — 3,000 users - [Operating System - All In One](https://chrome-stats.com/d/com.bitsofcomputer.pradip.operatingsystem) — 156,499 users, 4.12 / 5 - [Operating System](https://chrome-stats.com/d/engg.hub.operatingsystem) — 8,194 users, 4.67 / 5 - [Simulation Operating system](https://chrome-stats.com/d/com.muktaenterprise63.simulation_operating_system) - [Learn Operating System](https://chrome-stats.com/d/com.ghummantech.operatingsystem) — 560 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.vikrant.learn_os_1)