Learn Bash scripting from the ground up! This comprehensive guide covers everything from basic syntax and variables to advanced techniques like coprocesses and signal handling. Perfect for beginners and experienced users alike.

1. Intro to Bash Scripting

• Bash documentation
• Script interpreter and permissions
• Time commands
• Variables
• Bash startup file
• Sourcing and aliasing
• Display text in bash with echo

2. Variables, Control Structures, and Arithmetic

• Typeset command
• Declare command
• Read command
• While loop
• For loop
• Function
• File redirection
• File descriptors
• Case statement
• If-then-else statement
• Test command
• Arithmetic operators

3. Using Filters and Parameter Expansion

• Bash filter and text manipulation
• Sed and Awk
• Positional Parameters

4. Advanced Bash

• Coprocesses
• Script debugging
• Signals and traps
• Bash eval and getopt commands