Section 3.3. Option s
Section 3.4. Shell Variable s
Section 3.5. Customization and Subprocesse s
Section 3.6. Customization Hint s
Chapter 4. Basic Shell Programmin g
Section 4.1. Shell Scripts and Function s
Section 4.2. Shell Variable s
Section 4.3. String Operator s
Section 4.4. Command Substitutio n
Section 4.5. Advanced Examples: pushd and pop d
Chapter 5. Flow Contro l
Section 5.1. if/els e
Section 5.2. fo r
Section 5.3. cas e
Section 5.4. selec t
Section 5.5. while and unti l
Chapter 6. Command-Line Options and Typed Variable s
Section 6.1. Command-Line Option s
Section 6.2. Typed Variable s
Section 6.3. Integer Variables and Arithmeti c
Section 6.4. Array s
Chapter 7. Input/Output and Command-Line Processin g
Section 7.1. I/O Redirector s
Section 7.2. String I/ O
Section 7.3. Command-Line Processin g
Chapter 8. Process Handlin g
Section 8.1. Process IDs and Job Number s
Section 8.2. Job Contro l
Section 8.3. Signal s
Section 8.4. tra p
Section 8.5. Coroutine s
Section 8.6. Subshell s
Section 8.7. Process Substitutio n
Chapter 9. Debugging Shell Program s
Section 9.1. Basic Debugging Aid s
Section 9.2. A bash Debugge r
Chapter 10. bash Administratio n
Section 10.1. Installing bash as the Standard Shel l
Section 10.2. Environment Customizatio n
Section 10.3. System Security Feature s
Chapter 11. Shell Scriptin g
Section 11.1. What's That Do ?
Section 11.2. Starting U p
Section 11.3. Potential Problem s
Section 11.4. Don't Use bas h
Chapter 12. bash for Your Syste m
Section 12.1. Obtaining bas h
Section 12.2. Unpacking the Archiv e
Section 12.3. What's in the Archiv e
Section 12.4. Who Do I Turn to ?
Appendix A. Related Shell s
Section A.1. The Bourne Shel l
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