btattach --version (return code: 0)
5.37
btattach --help (return code: 0)
btattach - Bluetooth serial utility
Usage:
btattach [options]
options:
-B, --bredr <device> Attach BR/EDR controller
-A, --amp <device> Attach AMP controller
-P, --protocol <proto> Specify protocol type
-h, --help Show help options