mtree(8) on OpenBSD
The text c5c6aaf72a92, as OpenBSD 7.0, OpenBSD 6.9, OpenBSD 6.8, OpenBSD 6.7, OpenBSD 6.6 shipped it.
map a directory hierarchy
Flags it lists
-
-K -
-U -
-c -
-d -
-e -
-f -
-i -
-k -
-l -
-n -
-p -
-q -
-r -
-s -
-t -
-u -
-x