scsi_stop(8) on Linux
The text 9990c1398ed6, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
stop (spin down) one or more SCSI disks
Flags it lists
-
--help -
--verbose -
--wait -
-h -
-v -
-w