Video dekho → 📝 MCQ kholo → 5 sawal karo. 3/5 sahi par ✅ pass aur agla video 🔓 unlock.
🔴 zaroor wale videos order mein khulte hain. 🟡 optional videos lock nahi karte.
Har video ke neeche uska asli YouTube title aur channel diya hai (sab URLs 30 Sep 2026 ko check kiye).
Topic 1Introduction & Types of OS
Lec 1.1Intro to OS & FunctionsYouTube: L-1.1: Introduction to Operating System and its Functions with English Subtitles — Gate Smashers▶ YouTube
Lec 1.2Batch OSYouTube: L-1.2: Batch Operating System | Types of Operating System — Gate Smashers▶ YouTube
Lec 1.3Multiprogramming & MultitaskingYouTube: L-1.3: Multiprogramming and Multitasking Operating System in Hindi with real life examples — Gate Smashers▶ YouTube
Lec 1.6Linux CommandsYouTube: L-1.6: Imp Linux Commands(Operating System) | Must Watch for College/University & Competitive exams — Gate Smashers🟡 optional▶ YouTube
Lec 6.10Imp Questions on OSYouTube: L-6.10: Important Questions on Operating System | Must Watch | NTA NET June 2021 — Gate Smashers🟡 optional▶ YouTube
Top 15 OS Interview QuestionsYouTube: Top 15 OS Interview Questions | Operating System Interview | Placement Strategy — Gate Smashers🟡 optional▶ YouTube
Topic 2System Calls
Lec 1.7System CallsYouTube: L-1.7: System Calls in Operating system and its types in Hindi — Gate Smashers▶ YouTube
Lec 1.8Fork System CallYouTube: L-1.8: Fork System call with Example | Fork() system call questions — Gate Smashers🟡 optional▶ YouTube
Topic 3Multithreading Programming
Lec 1.11Process vs ThreadYouTube: L-1.11: Process Vs Threads in Operating System — Gate Smashers▶ YouTube
Lec 1.12User vs Kernel Level ThreadYouTube: L-1.12: User Level Vs Kernel Level Thread in Operating System | All Imp Points — Gate Smashers▶ YouTube
Topic 4Process Concept & Scheduling
Lec 1.5Process States & SchedulersYouTube: L-1.5: Process States in Operating System| Schedulers(Long term,Short term,Medium term) — Gate Smashers▶ YouTube
Lec 2.2Arrival, Burst, Waiting time etc.YouTube: L-2.2: What is Arrival, Burst, Completion, Turnaround, Waiting and Response time in CPU Scheduling — Gate Smashers▶ YouTube
Lec 2.3FCFSYouTube: L-2.3: First Come First Serve(FCFS) CPU Scheduling Algorithm with Example — Gate Smashers▶ YouTube
Lec 2.4SJFYouTube: L-2.4: Shortest Job First(SJF) Scheduling Algorithm with Example | Operating System — Gate Smashers▶ YouTube
Lec 2.7Round RobinYouTube: L-2.7: Round Robin(RR) CPU Scheduling Algorithm with Example — Gate Smashers▶ YouTube
Lec 2.8Priority SchedulingYouTube: L-2.8: Pre-emptive Priority Scheduling Algorithm with Example | Operating System — Gate Smashers▶ YouTube
Lec 2.5SRTFYouTube: L-2.5: Shortest Remaining Time First (SJF With Preemption) Scheduling Algorithm with Example | OS — Gate Smashers🟡 optional▶ YouTube
Lec 2.10Multilevel QueueYouTube: L-2.10: Multi Level Queue Scheduling | Operating System — Gate Smashers🟡 optional▶ YouTube
Lec 4.5Banker's AlgorithmYouTube: L-4.5: Deadlock Avoidance Banker's Algorithm with Example |With English Subtitles — Gate Smashers▶ YouTube
Lec 3.2Producer-ConsumerYouTube: L-3.2: Producer Consumer Problem | Process Synchronization Problem in Operating System — Gate Smashers🟡 optional▶ YouTube
Lec 3.13Dining PhilosophersYouTube: L-3.13: Dining philosophers Problem and Solution using Semaphore in Operating System — Gate Smashers🟡 optional▶ YouTube
Lec 4.2Resource Allocation GraphYouTube: L-4.2: Resource Allocation Graph in Deadlock | Single Instance with example | Operating System — Gate Smashers🟡 optional▶ YouTube
Topic 6Indexes and Sequences
➡️ Yahan video nahi: DBMS file (02) → "Indexing" videos. Oliveboard ne ye topic OS mein likha hai, par ye DBMS ka topic hai.
Topic 7Memory Management Concepts
Lec 5.1Memory ManagementYouTube: L-5.1: Memory Management and Degree of Multiprogramming | Operating System — Gate Smashers▶ YouTube
Lec 5.2Contiguous vs Non-contiguousYouTube: L-5.2: Memory management Techniques | Contiguous and non-Contiguous | Operating System — Gate Smashers▶ YouTube
Lec 5.5First/Best/Worst FitYouTube: L-5.5: First Fit, Next Fit, Best Fit, Worst fit Memory Allocation | Memory Management | OS — Gate Smashers▶ YouTube
Lec 5.9PagingYouTube: L-5.9: What is Paging | Memory management | Operating System — Gate Smashers▶ YouTube
Lec 5.16ThrashingYouTube: L-5.16: What is Thrashing | Operating System — Gate Smashers▶ YouTube
Lec 5.17Segmentation vs PagingYouTube: L-5.17: Segmentation Vs Paging | Segmentation Working | Operating system — Gate Smashers▶ YouTube