# `jujuc` In Juju, **`jujuc`** is a binary that comes with your `juju` installation which provides [hook commands](https://documentation.ubuntu.com/juju/3.6/reference/hook-command.md#hook-command) – a collection of command-line commands that [charms](https://documentation.ubuntu.com/juju/3.6/reference/charm.md#charm) can use during their hook executions to interact with the Juju environment.