| --help topic | Print help about topic and exit; if no topic is specified, print available topics. | 
		| -x exporter [exportflags] inputfile | Instead of interactive editing, export the design (loaded from inputfile) to a file using the specified exporter plugin. A list of exporter-specific parameters may follow to control the details of the process. | 
		| --gui hid | Use the hid plugin for the "gui" frontend. Common choices are "gtk2_gdk" or "lesstif" for graphical user interfaces
and "batch" for a headless command-line interface (or automated
batch processing). | 
		| -c path=val | Set a config node in role CFR_CLI. The path of the node is path (e.g. editor/grid) and the new value is val (e.g. 5mm). |