User Mode Vs Kernel Mode

Summary

Retired Windows developer Dave Plummer dives deep into one of the most critical aspects of operating systems: A practical introduction to how operating systems make software possible. From CPU instruction execution to Complete OS Roadmap : gatesmashers.com/roadmaps/operating-systems In this video, Varun sir will break down ... ACE your next technical interview! Get 10% off when subscribing to Neetcode Pro: neetcode.io/core Join CodeCrafters Let's explore how windows works. What stops an ordinary application from taking control of your entire computer? The answer starts with Ever wonder why your program can't directly talk to your hardware? WHAT YOU WILL LEARN IN THIS VIDEO: The Hardware Problem: Why applications cannot talk directly to hardware. We will have a look at what syscalls are Operating System: System Calls Topics discussed: 1. System Calls. 2. "If your name's not down, you're not coming in!" - How the CPU's "Bouncer" keeps some memory off-limits. Matt Godbolt continues ... Your program calls read(). Simple, right? Wrong. What actually happens is far more interesting — This video was sponsored by Brilliant. To try everything Brilliant has to offer—free—for a full 30 days, visit ...