Shell Programming in Unix, Linux and OS X: The Fourth Edition of Unix Shell Programming (Developer's Library)

LEARN UNIX SHELL PROGRAMMING: A Step-by-Step Introduction to Command-Line Scripting

LEARN UNIX SHELL PROGRAMMING: A Step-by-Step Introduction to Command-Line Scripting

Mastering Unix Shell Programming: Practical Bash Scripting for Linux Automation, System Administration, and DevOps Workflows

The Linux Programming Interface: A Linux and UNIX System Programming Handbook