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📘 System Calls | System Programs | OS Design & Implementation | Full Operating System Lecture

Welcome to today’s Operating Systems module!
In this session, we explore three fundamental building blocks of any OS: System Calls, System Programs, and Design & Implementation concepts. This video is ideal for CS/IT students, educators, and anyone preparing for exams or interviews.

🔍 What This Video Covers
System Calls

✔️ What are system calls?
✔️ Why system calls are needed
✔️ Transition between user mode & kernel mode
✔️ Major categories of system calls:
 • Process control
 • File management
 • Device management
 • Information maintenance
 • Communication
✔️ Real examples from Linux/Windows