The life of one of your Bash scripts is hard to reckon when you first write it. They often end up at opposite ends of the company on very different systems. This makes it a good idea to make them as portable as possible. A couple of easy wins here are to replace the traditional interpreter line and drop echo commands. Script Interpreter The traditional interpreter line at the start of the file usually links to the binary of the shell that you want the script to get executed by. E.g. for Bash
