Operating System (Hindi)

   Wednesday, March 04, 2026   

Starting a new Lecture Notes Series on Operating System

Youtube Lecture Playlist Credits 

Channel Name: Gate Smashers

So Let Us Start to This Journey of Learning 

Operating System By Lecture Notes together!

Lecture 1: Lec-0:Operating System Syllabus Discussion for all College/University & Competitive exams (GATE,NET)

Lecture 2: L-1.1: Introduction to Operating System and its Functions with English Subtitles

Lecture 3: L-1.2: Batch Operating System | Types of Operating System

Lecture 4: L-1.3: Multiprogramming and Multitasking Operating System in Hindi with real life examples

Lecture 5: L-1.4: Types of OS(Real Time OS, Distributed, Clustered & Embedded OS)

Lecture 6: L-1.5: Process States in Operating System| Schedulers(Long term,Short term,Medium term)

Lecture 7: L-1.6: Imp Linux Commands(Operating System) | Must Watch for College/University & Competitive exams

Lecture 8: L-1.7: System Calls in Operating system and its types in Hindi

Lecture 9: L-1.8: Fork System call with Example | Fork() system call questions

Lecture 10: L-1.9: Questions on Fork System Call With Explanation | Operating System

Lecture 11: L-1.10: User mode and Kernel mode in operating system in hindi

Lecture 12: L-1.11: Process Vs Threads in Operating System

Lecture 13: L-1.12: User Level Vs Kernel Level Thread in Operating System | All Imp Points

Lecture 14: L-2.1: Process Scheduling Algorithms (Preemption Vs Non-Preemption) | CPU Scheduling in OS

Lecture 15: L-2.2: What is Arrival, Burst, Completion, Turnaround, Waiting and Response time in CPU Scheduling

Lecture 16: L-2.3: First Come First Serve(FCFS) CPU Scheduling Algorithm with Example

Lecture 17: L-2.4: Shortest Job First(SJF) Scheduling Algorithm with Example | Operating System

Lecture 18: L-2.5: Shortest Remaining Time First (SJF With Preemption) Scheduling Algorithm with Example | OS

Lecture 19: L-2.6: Question on Shortest Job First(SJF) with Preemption Scheduling Algorithm

Lecture 20: L-2.7: Round Robin(RR) CPU Scheduling Algorithm with Example

Lecture 21: L-2.8: Pre-emptive Priority Scheduling Algorithm with Example | Operating System

Lecture 22: L-2.9: Example of Mix Burst Time(CPU & I/O both) in CPU Scheduling | Tough Question

Lecture 23: L-2.10: Multi Level Queue Scheduling | Operating System

Lecture 24: L-2.11: Multilevel Feedback Queue Scheduling | Operating System

Lecture 25: L-3.1: Process Synchronization | Process Types | Race Condition | Operating System-1

Lecture 26: L-3.2: Producer Consumer Problem | Process Synchronization Problem in Operating System

Lecture 27: L-3.3: Printer-Spooler Problem | Process Synchronization Problem in Operating System

Lecture 28: L-3.4: Critical Section Problem | Mutual Exclusion, Progress and Bounded Waiting | Operating System

Lecture 29: L-3.5: LOCK Variable in OS | Process Synchronization

Lecture 30: L-3.6: Test and Set Instruction in OS | Process Synchronization

Lecture 31: L-3.7: Turn Variable | Strict Alteration Method | Process Synchronization

Lecture 32: L-3.8: Semaphores | Wait, Signal Operation | Counting Semaphore | Example| Operating system

Lecture 33: L-3.9: What is Binary Semaphore | Easiest Explanation | Operating system

Lecture 34: L-3.10: Practice Question on Binary Semaphore in Operating System

Lecture 35: L-3.11: Solution of Producer Consumer Problem using Semaphore | Operating System

Lecture 36: L-3.12: Solution of Readers-writers Problem using Binary semaphore

Lecture 37: L-3.13: Dining philosophers Problem and Solution using Semaphore in Operating System

Lecture 38: L-4.1: DEADLOCK concept | Example | Necessary condition | Operating System

Lecture 39: L-4.2: Resource Allocation Graph in Deadlock | Single Instance with example | Operating System

Lecture 40: L-4.3: Multi-Instance Resource Allocation Graph with Example | Operating System

Lecture 41: L-4.4: Deadlock Handling Methods and Deadlock Prevention | Operating System

Lecture 42: L-4.5: Deadlock Avoidance Banker's Algorithm with Example |With English Subtitles

Lecture 43: L-4.6: GATE 2018 Question on Banker's Algorithm | Deadlock avoidance | Operating System

Lecture 44: L-4.6: GATE 2018 Question on Banker's Algorithm | Deadlock avoidance | Operating System

Lecture 45: L-4.8: GATE 2018 Question Explaination on deadlock | Operating system

Lecture 46: L-5.1: Memory Management and Degree of Multiprogramming | Operating System

Lecture 47: L-5.2: Memory management Techniques | Contiguous and non-Contiguous | Operating System

Lecture 48: L-5.3: Internal Fragmentation | Fixed size Partitioning | Memory management | Operating System

Lecture 49: L-5.4: Variable size Partitioning | Memory management | Operating System

Lecture 50: L-5.5: First Fit, Next Fit, Best Fit, Worst fit Memory Allocation | Memory Management | OS

Lecture 51: L-5.6: GATE Question Solved on First Fit,Best Fit and Worst fit Memory Allocation | Operating System

Lecture 52: L-5.7: GATE 2007 Question Solved on First Fit, Best Fit and Worst fit with timeline | OS

Lecture 53: L-5.8: Need of Paging | Memory Management | Operating System

Lecture 54: L-5.9: What is Paging | Memory management | Operating System

Lecture 55: L-5.10: Question Explanation on Logical address and Physical address space | Operating System

Lecture 56: L-5.11: Question Explanation on Paging | Memory Management | Operating System

Lecture 57: L-5.12: Page Table Entries | Format of Page Table | Operating System

Lecture 58: L-5.13: 2-Level Paging in Operating System | Multilevel Paging

Lecture 59: L-5.14: Inverted paging | Memory Management | Operating System

Lecture 60: L-5.15: Paging Questions in Operating System(OS) | Imp Question for all competitive exams

Lecture 61: L-5.16: What is Thrashing | Operating System

Lecture 62: L-5.17: Segmentation Vs Paging | Segmentation Working | Operating system

Lecture 63: L-5.18: Overlay | Memory Management | Operating system

Lecture 64: L-5.19: Virtual Memory | Page fault | Significance of virtual memory | Operating System

Lecture 65: L-5.20: Translation Lookaside Buffer(TLB) in Operating System in Hindi

Lecture 66: L-5.21: Numerical on Translation Lookaside Buffer (TLB) | Operating System

Lecture 67: L-5.22: Page Replacement Introduction | FIFO Page Replacement algorithm | Operating System

Lecture 68: L-5.23: Belady's Anomaly in FIFO page Replacement with example | Operating System

Lecture 69: L-5.24: Optimal Page Replacement algorithm | Operating System

Lecture 70: L-5.25: Least Recently Used Page Replacement Algorithm | Operating System

Lecture 71: L-5.26: Most recently used page replacement algorithm | Operating System

Lecture 72: L-6.1: Hard Disk Architecture in Operating System in Hindi

Lecture 73: L-6.2: Disk Access Time with Example | Seek Time, Rotational Time and Transfer Time

Lecture 74: L-6.3: Disk Scheduling Algorithm | Operating System

Lecture 75: L-6.4: FCFS in Disk scheduling with Example | Operating System

Lecture 76: L-6.5: SSTF in Disk scheduling with Example | Operating System

Lecture 77: L-6.6: SCAN Algorithm in Disk scheduling with Example | Operating System

Lecture 78: L-6.7: LOOK Algorithm in Disk scheduling with Example | Operating System

Lecture 79: L-6.8: C-SCAN Algorithm in Disk scheduling with Example | Operating System

Lecture 80: L-6.9: C-LOOK Algorithm in Disk scheduling with Example | Operating System

Lecture 81: L-6.10: Important Questions on Operating System | Must Watch | NTA NET June 2021

Lecture 82: L-7.1: File System in Operating System | Windows, Linux, Unix, Android etc.

Lecture 83: L-7.2: File Attributes & Operations in Operating System

Lecture 84: L-7.3: Allocation Methods in operating system in hindi | Contiguous vs NonContiguous

Lecture 85: L-7.4: Contiguous Allocation in Operating system | Advantages & Disadvantages

Lecture 86: L-7.5: Linked List allocation in file allocation with example | Operating system

Lecture 87: L-7.6: Indexed File Allocation in Operating System‬

Lecture 88: L-7.7: Unix Inode Structure with Numerical Example | OS

Lecture 89: Lec-8: Protection & Security in Operating system | Full OS playlist

Lecture 90: TLBs Toughest Question asked in GATE exam | Operating System

Lecture 91: Top 15 OS Interview Questions | Operating System Interview | Placement Strategy

Lecture 92: Linker & Loader with example