1. 1. Welcome + Setup
2. 1. 1.1. Operating System
   2. 1.2. Editors & IDEs
3. 2. Security Fundamentals
4. 1. 2.1. SSH Keys
5. 3. Git & GitHub
6. 4. Databases: PostgreSQL
7. 1. 4.1. SQL Basics
   2. 4.2. Joins
8. 5. Command‑line Basics
9. 1. 5.1. Core UNIX Commands
   2. 5.2. Shell & Prompt Tooling
10. 6. Rust Fundamentals
11. 1. 6.1. Basics
    2. 6.2. Ownership & Borrowing
    3. 6.3. Memory
    4. 6.4. Arc
    5. 6.5. Async
    6. 6.6. Exercises
12. 7. Networking Basics
13. 1. 7.1. OSI Model
    2. 7.2. HTTP
14. 8. Data Structures & Identifiers
15. 1. 8.1. Core Collections
    2. 8.2. UUIDs & UUIDv7
16. 9. Contributing
17. 1. 9.1. CLI Tool
    2. 9.2. First Pull Request