POSIX Shell Scripting from Scratch: Write Once, Run Everywhere
A beginner-focused guide that teaches POSIX shell scripting fundamentals. The book progresses from opening a terminal for the first time through advanced topics including regular expressions, text processing with sed/awk, process management, and error handling.
The emphasis is on writing portable scripts that work across Linux, macOS, BSD, and other Unix-like systems.
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Key topics covered:
- Foundations of POSIX shell scripting
- Advanced techniques: regular expressions, sed, awk
- Process management and error handling
- Real-world projects: backup tools, monitoring dashboards
- POSIX vs Bash comparison