HOW OS REALLY WORKS😲| System calls in OS | User Mode vs Kernal Mode

In this video, we explore how an Operating System really works behind the scenes.
You’ll understand:

What an Operating System is
How user applications interact with the OS
Why direct hardware access is not allowed
The role of User Mode and Kernel Mode
How the OS safely manages hardware and resources
This video is part of an Operating Systems learning series, where complex concepts are explained visually and in simple terms, making it easy for beginners, students, and exam preparation.

📚 Whether you are a college student, beginner in computer science, or someone curious about how computers work internally, this video will help you build a strong foundation.
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