Advanced Referene Guide for Bash

Bash is a Unix shell and command language written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell.

The Advanced Bash Scripting Guide provides beginners with a simple introduction to the basics, and experts will find advanced details they need.

In this you will see the following things below.

Table of Contents

Part 1. Introduction

1. Shell Programming!

2. Starting Off With a Sha-Bang

Part 2. Basics

3. Special Characters

4. Introduction to Variables and Parameters

5. Quoting

6. Exit and Exit Status

7. Tests

8. Operations and Related Topics

Part 3. Beyond the Basics

9. Another Look at Variables

10. Manipulating Variables

11. Loops and Branches

12. Command Substitution

13. Arithmetic Expansion

14. Recess Time

Part 4. Commands

15. Internal Commands and Builtins

16. External Filters, Programs and Commands

17. System and Administrative Commands

Part 5. Advanced Topics

18. Regular Expressions

19. Here Documents

20. I/O Redirection

21. Subshells

22. Restricted Shells

23. Process Substitution

24. Functions

25. Aliases

26. List Constructs

27. Arrays

28. Indirect References

29. /dev and /proc

30. Network Programming

31. Of Zeros and Nulls

32. Debugging

33. Options

34. Gotchas

35. Scripting With Style

36. Miscellany

37. Bash, versions 2, 3, and 4

38. Endnotes

You will find all this section offline without any internet connection and lean DB easily anywhere and anytime.