Complete Unix and Shell Programming Tutorial. Topics covered 1. Getting Started 2. File Management 3. Directories 4. File Permission 5. Environment 6. Basic Utilities 7. Pipes & Filters 8. Processes 9. Communication 10. The Vi Editor 11. What Is Shell? 12. Using Variables 13. Special Variables 14. Using Arrays 15. Basic Operators 16. Decision Making 17. Shell Loops 18. Loop Control 19. Shell Substitutions 20. Quoting Mechanisms 21. IO Redirections 22. Shell Functions 23. Manpage Help 24. Advanced Unix 25. Regular Expressions 26. File System Basics 27. User Administration 28. System Performance 29. System Logging 30. Signals And Traps 31. Unix FAQ 32. Unix Cheat sheet etc....