# j The `j` command is available within the Jumpstarter shell environment (launched via `jmp shell`). It provides access to driver CLI interfaces configured in your exporter. Usage: ```shell j [OPTIONS] COMMAND [ARGS]... ``` The available commands depend on which drivers are loaded in your current session. When you run the `j` command in the shell: - Use `j` alone to see all available driver interfaces - Access specific drivers with `j ` - Each driver exposes different commands through this interface Available commands vary depending on your configured drivers.