New Features In Bash Version 4.x - Part 1

As I mention in the introduction to The Linux Command Line, the command line is a long lasting skill. It's quite possible that a script that you wrote ten years ago still works perfectly well today. But even so, every few years the GNU Project releases a new version of bash. While I was writing the book, version 3.2 was the predominate version found in Linux distributions. In February of 2009