Configure stores settings in a JSON file.

Debug provides information about the user's environment and configuration.

Demo returns one problem for each active track.

Download returns specified submissions and related problem.

Fetch returns exercism problems.

List returns the full list of assignments for a given language.

Restore returns a user's solved problems.

Submit posts an iteration to the api.

Tracks lists available tracks.

Unsubmit deletes an iteration from the api.