...For example openbooks cli --help or openbooks cli download --help. There are two modes; Server or CLI. In CLI mode you interact and download books through a terminal interface. In server mode the application runs as a web application that you can visit in your browser. OpenBooks server doesn't have to be hosted at the root of your webserver. The basepath value allows you to host it behind a reverse proxy. The base path value must have opening and closing forward slashes (default "/").