GENERAL USE
Most users of will want to:

A) Run with --checkout to get a copy of the current configuration and store it in a file. The standard output can be redirected to a file or a file can be specified with the --filename option.

B) Edit the configuration file with an editor.

C) Commit the configuration back using the --commit option and specifying the configuration file with the --filename option. The configuration can be committed to multiple hosts in parallel via the hostrange support.