← All deep dives

Operating Systems

Computer Science · Efficiency

Covers the kernel's core responsibilities — privilege boundaries, scheduling, process/thread management, and instruction-set differences — that every program depends on.

4 steps · cs.bradpenney.io

1

What Does an Operating System Kernel Actually Do?

2

Processes vs Threads: What a Context Switch Costs

3

Linux CFS Scheduler Explained: How It Picks a Thread

4

x86 vs ARM vs RISC-V: CPU Instruction Sets Explained