jstest -V (return code: 1)
jstest: No such file or directory
jstest --help (return code: 1)
Usage: jstest [<mode>] <device>
Modes:
--normal One-line mode showing immediate status
--old Same as --normal, using 0.x interface
--event Prints events as they come in
--nonblock Same as --event, in nonblocking mode
--select Same as --event, using select() call