Operating Systems Internals

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TRACK

A compact foundation for tracing how operating systems isolate work, cross kernel boundaries, schedule execution, manage memory pressure, coordinate concurrency, and expose evidence for host-level diagnosis.

How can I trace why a process runs, waits, blocks, communicates, or fails at a host boundary, and use that model to choose the next diagnostic evidence?

8 lessons

Continues to Caching, Workers, and Performance/ Concurrency, Memory Models, and Lock-Free Systems/ Kernel Networking and eBPF/ Linux Workstations: Ownership, Reproducibility, and Repair/ Memory Systems and Allocators/ Operating Systems Implementation/ Reverse Engineering and Program Understanding/ Storage and Filesystems/ Systems Design Foundations

LESSONS

1. 001
   Operating Systems and Process Coordination
   [TODO]
2. 002
   System Calls, Kernel Boundaries, and Blocking I/O
   [TODO]
3. 003
   OS Concurrency and Synchronization Primitives
   [TODO]
4. 004
   Process Lifecycles and Service Lifecycles
   [TODO]
5. 005
   Memory Hierarchies and Distributed State
   [TODO]
6. 006
   Scheduling Fairness from CPUs to Load Balancers
   [TODO]
7. 007
   IPC, RPC, and Communication Boundaries
   [TODO]
8. 008
   OS Internals Synthesis: Diagnosing Host-Level Behavior CAPSTONE
   [TODO]

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