The command "kool self-update" is used in the context of the "kool" tool.
The "kool" tool is a command-line utility that helps streamline development tasks and tasks management for PHP projects using Docker. It provides a set of commands to simplify common tasks related to developing, testing, and deploying PHP applications with Docker.
The "kool self-update" command is used to update the "kool" tool itself. Running this command fetches the latest version of the "kool" tool from the official repository and updates it on your local system. This ensures that you have the most recent features, bug fixes, and improvements provided by the tool's developers.