# Operating System
All Operating System notes →1 — Lock-Free Programming
Covers compare-and-swap (CAS), the ABA problem, hazard pointers, and RCU.
2 — NUMA Systems
Covers memory locality, CPU pinning, and NUMA-aware scheduling.
3 — Kernel Synchronization
Covers spinlocks, RCU, seqlocks, wait queues, softirqs, and tasklets.
4 — High Performance I/O
Covers zero-copy I/O, sendfile(), splice(), mmap(), and io_uring.
5 — Emerging Operating System Technologies
Covers unikernels, library OSes, WebAssembly runtimes, confidential computing, and secure enclaves.
# Productivity
All Productivity notes →1 — Systems Thinking
Seeing a problem as a set of interacting parts and feedback loops instead of an isolated cause and effect — see Philosophy for the dedicated treatment this book leans on throughout.
Delegation
Handing off work deliberately — with clear outcomes and real trust — as the lever that scales beyond what leverage and automation alone can reach.
Leverage and Automation
Code and systems leverage as the multiplier that lets one hour of work produce many hours of output — the first lever to reach for before delegation.
Operating Principles
The small set of standing rules — default-yes vs. default-no, what always gets time-blocked — that keep a personal system consistent without re-deciding daily.
Personal Dashboards
A single-glance view of the handful of numbers that indicate the system is on track, so drift is visible before a quarterly review catches it.
4 — Designing Your Personal Operating System
Assembling every prior Part into one coherent, versioned system for running your own work — the capstone chapter of this book.