Many Linux-based machines run Bash as their standard scripting engine, but some distributions, like Alpine and Debian, don't. Testing your script with other shells can help with portability.

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS.

This book explores system administrator fundamentals. These days, DevOps has made even the job title “system administrator” seem a bit archaic, much like the “systems analyst” title it replaced. These ...