If you manage more than one WordPress website, you might have experienced situations where you needed to do the exact same operation on multiple websites. If you were clicking through the sites one-by-one and thinking that there should be a better way to manage what you are trying to do, I've got good news: there actually is!

WP-CLI lets you control your WordPress sites through the command line, allowing you to do any operation across an arbitrary number of sites. This can save you minutes, hours, days or even weeks of work.

I'll start with a small introduction to the command line itself, and then continue with very easy and common scenarios where WP-CLI can save you large amounts of time with little to no effort.