bindfs(1) on Linux
The text b9c034e73c19, as Debian 7 (Wheezy) shipped it.
mount --bind in user-space
Flags it lists
-
--ctime-from-mtime -
--help -
--hide-hard-links -
--no-allow-other -
--realistic-permissions -
--version -
-V -
-d -
-f -
-h -
-n -
-o -
-r -
-s