
It's simple if you want to interact deeply with Mac OS X Linux & other Unix-like systems you need to know how to work with the Bash shell This concise little book puts all of the essential information about Bash right at your fingertips You'll quickly find answers to the annoying questions that generally come up when you're writing shell scripts What characters do you need to"e? How do you get variable substitution to do exactly what you want? How do you use arrays? Updated for Bash version 44 this book has the answers to these & other problems in a format that makes browsing quick & easy Topics include Invoking the shell Syntax Functions & variables Arithmetic expressions Command history Programmable completion Job control Shell options Command execution Coprocesses Restricted shells Built-in commands