Operating System (OS) Complete Tutorial | M.Sc Cyber Security Entrance | Process, Memory & Deadlock

Operating System (OS) Complete Tutorial | M.Sc. Cyber Security & Computer Forensics Entrance | Unit 4 Welcome to another complete lecture from the **Cyber Gita M.Sc. Cyber Security & Computer Forensics Entrance Preparation Series**. In this video, we cover *Unit 4: Operating Systems (OS)* in a simple, exam-oriented, and beginner-friendly manner. This lecture is specially designed for students preparing for **Lucknow University (LU) M.Sc. Cyber Security & Computer Forensics Entrance Exam**, as well as BCA, B.Tech, MCA, Computer Science students, and cybersecurity learners. An Operating System (OS) is the backbone of every computer system. It acts as an interface between the user and computer hardware while managing processes, memory, files, input/output devices, and system resources efficiently. Understanding Operating Systems is essential for competitive exams, cybersecurity, software development, system administration, and technical interviews. In this complete lecture, we explain every important concept from Unit 4 with easy examples, quick revision notes, important MCQs, and exam-focused explanations. 📚 What You Will Learn Operating System Basics ✅ Introduction to Operating System ✅ Functions of Operating System ✅ Types of Operating Systems ✅ Batch OS ✅ Multiprogramming OS ✅ Multitasking OS ✅ Multiuser OS ✅ Real-Time Operating System (RTOS) ✅ Distributed Operating System --- Process Management ✅ Process ✅ Process States ✅ Process Life Cycle ✅ Process Scheduling ✅ Preemptive Scheduling ✅ Non-Preemptive Scheduling Synchronization ✅ Critical Section Problem ✅ Semaphores Deadlocks ✅ Deadlock ✅ Four Necessary Conditions ✅ Deadlock Prevention ✅ Deadlock Avoidance ✅ Deadlock Detection ✅ Banker's Algorithm Memory Management ✅ Memory Concepts ✅ Physical Address ✅ Virtual Address ✅ Paging ✅ Segmentation ✅ Virtual Memory ✅ First Fit ✅ Best Fit ✅ Worst Fit File Management ✅ File System ✅ NTFS ✅ FAT32 ✅ ext4 ✅ File Operations ✅ Directory Structure ✅ File Allocation Methods Device Management ✅ Device Management ✅ I/O Management ✅ Device Scheduling ✅ FCFS ✅ SSTF ✅ SCAN Scheduling Exam Preparation ✅ Important MCQs ✅ One-Line Revision ✅ Interview Questions ✅ Cyber Security Entrance Preparation ✅ Lucknow University Entrance Preparation 🎯 This Video is Helpful For ✔ M.Sc Cyber Security Entrance Aspirants ✔ M.Sc Computer Forensics Entrance Students ✔ Lucknow University Entrance Exam ✔ BCA Students ✔ MCA Students ✔ B.Tech Students ✔ Computer Science Students ✔ Cyber Security Beginners ✔ Ethical Hacking Learners ✔ SOC Analyst Aspirants ✔ IT Professionals ✔ Competitive Exam Preparation --- 🚀 Why Watch This Video? • Beginner Friendly Explanation • Complete Unit 4 Coverage • Easy Language • Exam-Oriented Notes • Important MCQs • Quick Revision • Cyber Security Focus • Perfect for University Entrance Preparation --- 👍 Support Cyber Gita If this lecture helped you: ✅ Like the video ✅ Share it with your friends ✅ Subscribe to Cyber Gita ✅ Comment your doubts below 🔔 Press the Bell Icon to never miss upcoming Cyber Security, Ethical Hacking, Programming, Networking, Digital Forensics, and Entrance Exam preparation videos. ⚠️ Disclaimer This video is created for educational purposes only to help students learn Operating System concepts and prepare for university entrance examinations and cybersecurity studies. All information is provided for academic learning and knowledge enhancement. #OperatingSystem #OS #OperatingSystemTutorial #OperatingSystemNotes #MemoryManagement #ProcessManagement #Deadlock #Paging #Segmentation #BankersAlgorithm #FileSystem #ProcessScheduling #ComputerScience #CyberSecurity #ComputerForensics #LucknowUniversity #LUEntrance #MScCyberSecurity #MScComputerForensics #CyberGita #BCA #MCA #BTech #OperatingSystemInHindi #ComputerArchitecture #CompetitiveExams #ExamPreparation #Programming #TechEducation #LearnOperatingSystem