sg_turs --version (return code: 0)
Version string: 3.31 20151220
sg_turs --help (return code: 0)
Usage: sg_turs [--help] [--number=NUM] [--progress] [--time] [--verbose]
[--version] DEVICE
where:
--help|-h print usage message then exit
--number=NUM|-n NUM number of test_unit_ready commands (def: 1)
--progress|-p outputs progress indication (percentage) if available
--time|-t outputs total duration and commands per second
--verbose|-v increase verbosity
--version|-V print version string then exit
Performs a SCSI TEST UNIT READY command (or many of them)