blockdev(8) on Linux
The text c1ff8388aa55, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
call block device ioctls from the command line
Flags it lists
-
--flushbufs -
--getra -
--getro -
--getsize -
--getss -
--rereadpt -
--setro -
--setrw -
-V -
-q -
-v