C++, compiler, runtime, assembly and stuff
What really happens when the OS switches between processes — register saves, TLB flushes, and the cost you never see.
Page tables, TLBs, and the illusion of infinite memory — built from first principles.
512 bytes to get from power-on to your first pixel. Real mode, GDT setup, and jumping to protected mode.
CFS, red-black trees, vruntime — how Linux decides what runs next and why it matters for real-time.
From electrical signal to login screen — the full boot sequence explained for humans.
The boundary between user space and kernel — what happens when you call write(), read(), or fork().