Section 2.1. "The os.path to Knowledge"
Section 2.2. Why Python Here?
Section 2.3. System Scripting Overview
Section 2.4. The sys Module
Section 2.5. The os Module
Section 2.6. Script Execution Context
Section 2.7. Current Working Directory
Section 2.8. Command-Line Arguments
Section 2.9. Shell Environment Variables
Section 2.10. Standard Streams
Section 2.11. File Tools
Section 2.12. Directory Tools
