Unit 3 Lecture 16: Optimal Page Replacement Algorithm

📌 Page Replacement Policies – Optimal Page Replacement Algorithm | Solved Numerical Examples In this video, I explain two fundamental page replacement policies in operating systems — Optimal Page Replacement Algorithm— using step-by-step numerical examples. 💡 What You’ll Learn: * The concept of page replacement in memory management * How Optimal Page Replacement Algorithm works * Step-by-step calculation of page faults for given reference strings * Tips to solve these problems quickly in exams and interviews 🎯 Why This Video is Useful: Optimal Page Replacement Algorithm is frequently asked in Operating System courses, competitive exams (GATE, UGC NET, etc.), and technical interviews. This lecture uses clear explanations + worked examples so you can master the problem-solving approach with confidence. 🖥 Related Content: 📂 Watch my full Operating System playlist here: https://youtube.com/playlist?list=PLKOFGhh6mxk90JgYKeCAyxxVvewqisbov&si=tO_MvqT15kCOhlNA 📢 Stay Connected: ✅ Subscribe to the channel for more OS tutorials ✅ Hit the bell icon for instant updates ✅ Share this video with classmates & colleagues preparing for OS topics