Section 12.1. Overview
Section 12.2. The fcntl Module
Section 12.3. The pwd Module
Section 12.4. The grp Module
Section 12.5. The nis Module
Section 12.6. The curses Module
Section 12.7. The termios Module
Section 12.8. The tty Module
Section 12.9. The resource Module
Section 12.10. The syslog Module
Section 12.11. The msvcrt Module
Section 12.12. The nt Module
Section 12.13. The _winreg Module
Section 12.14. The posix Module
