makefs(8) on OpenBSD
The text 709d4574e9ef, as OpenBSD 7.3, OpenBSD 7.2, OpenBSD 7.1, OpenBSD 7.0, OpenBSD 6.9, OpenBSD 6.8, OpenBSD 6.7, OpenBSD 6.6, OpenBSD 6.5, OpenBSD 6.4, OpenBSD 6.3 shipped it.
create a file system image from a directory tree
Flags it lists
-
-M -
-O -
-S -
-T -
-b -
-f -
-m -
-o -
-s -
-t