qemu-img(1) on Linux
The text 6bb2629e6acd, as Debian 8 (Jessie) shipped it.
QEMU disk image utility
Flags it lists
-
--backing-chain -
-F -
-S -
-a -
-c -
-d -
-f -
-h -
-l -
-n -
-p -
-q -
-s -
-t