ARES System Manual: Device Management Utility

device probe: searches for available devices
device [info] <address>: shows information about the specified device
device <address> eject: turns off, forgets, and unbolts the specified device
device <address> peek: send specified device's status information to current user (if supported)
device <address> poke: open specified device's control interface (if supported)
device <address> restart: starts a device probe, but only for the specified device
device <address> <message>: sends a raw light bus message to the specified device
device debug: toggles device debugging info

The device management utility, _device, is the user-facing front end of the hardware daemon.