sg_sync(8) on Linux
The text ded26f7581fe, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
send SCSI SYNCHRONIZE CACHE command
Flags it lists
-
--16 -
--count -
--group -
--help -
--immed -
--lba -
--sync-nv -
--timeout -
--verbose -
--version -
-S -
-V -
-c -
-g -
-h -
-i -
-l -
-s -
-t -
-v