makefs(8) on FreeBSD
The text 263b677c4e6a, as FreeBSD 12.2-RELEASE shipped it.
create a file system image from a directory tree or a mtree manifest
Flags it lists
-
-B -
-D -
-F -
-M -
-N -
-O -
-R -
-S -
-T -
-Z -
-b -
-d -
-f -
-m -
-o -
-p -
-s -
-t -
-x