Obviously, a usercanenterthecommand, butbecauseit's so terse, itcan be easilyrunby a headlessprocess, such asa ContinuousIntegrationor build-management server.
After we ramp this all up to the long-term future of TV, we come back to reality with Windows Home Server's inclusion of Media Center features -- while not to the level of a true headless Media Center PC, this move might foreshadow (maybe not too-distant) future development of just such a kit.