newfs_msdos(8) on OpenBSD
The text b03b246bab15, as OpenBSD 3.3 shipped it.
construct a new MS-DOS (FAT) file system
Flags it lists
-
-B -
-F -
-I -
-L -
-N -
-O -
-S -
-a -
-b -
-c -
-e -
-f -
-h -
-i -
-k -
-m -
-n -
-o -
-r -
-s -
-u