Section 4.1. Introduction
Section 4.2. stat, fstat, and lstat Functions
Section 4.3. File Types
Section 4.4. Set-User-ID and Set-Group-ID
Section 4.5. File Access Permissions
Section 4.6. Ownership of New Files and Directories
Section 4.7. access Function
Section 4.8. umask Function
Section 4.9. chmod and fchmod Functions
Section 4.10. Sticky Bit
Section 4.11. chown, fchown, and lchown Functions
Section 4.12. File Size
Section 4.13. File Truncation
Section 4.14. File Systems
Section 4.15. link, unlink, remove, and rename Functions
Section 4.16. Symbolic Links
Section 4.17. symlink and readlink Functions
Section 4.18. File Times
Section 4.19. utime Function
Section 4.20. mkdir and rmdir Functions
Section 4.21. Reading Directories
Section 4.22. chdir, fchdir, and getcwd Functions
Section 4.23. Device Special Files
Section 4.24. Summary of File Access Permission Bits
Section 4.25. Summary
Exercises
