Do you know what’s actually happening between pressing your power button and seeing your login screen — or does “the OS handles it” cover for a gap in your understanding?
Most programmers use an operating system every day without ever learning what it’s actually doing: how it juggles hundreds of processes fairly, why your program’s memory addresses are an illusion, or what really happens when two threads touch the same data at once. That gap shows up the moment you hit a race condition, a deadlock, or a system that mysteriously slows down under load. This book replaces that gap with real understanding, from the boot sequence to building your own process scheduler simulator.
Inside, you’ll learn:
- How processes actually work — creation with fork/exec, process states, and inter-process communication
- CPU scheduling algorithms (FCFS, Round Robin, Priority) and what context switching really costs
- Virtual memory, paging, and memory allocation, including what happens when memory runs out
- Concurrency fundamentals: race conditions, locks, deadlocks, and semaphores, explained through the mechanics, not just the definitions
- How file systems store data (inodes, blocks, journaling) and how the OS communicates with hardware through drivers and interrupts
By the end, you’ll understand security and isolation (sandboxes, containers, VMs), see how Linux, Windows, and macOS solve the same problems differently, and apply everything in your capstone project: building a working process scheduler simulator from scratch.
Stop treating your operating system as a black box. Get your copy today and start understanding the system running everything you do.
Reviews
There are no reviews yet.