xnbd-server(8) on Linux
The text 47a433f888f0, as Debian 7 (Wheezy) shipped it.
serve a file as a block device to other computers running the GNU/Linux(tm) Operating System
Flags it lists
-
--bgctlprefix -
--cow -
--daemonize -
--inetd -
--logpath -
--lport -
--proxy -
--readonly -
--target