WP-CLI is the command-line interface for WordPress.  It allows developers and site administrators to update plugins, configure site options, script batch processes, write custom commands, much more.
Listen to this episode of Press This where we interview Director of IT at Actionable co, Shawn Hooper as he explains the power he’s learned to wield with the help of  WP-CLI.  Shawn is a WordPress Core Contributor, Lead organizer of WordCamp Ottawa, and frequent WordCamp speaker.