boot0cfg(8) on FreeBSD
The text f8c67961eaf1, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE shipped it.
boot manager installation/configuration utility
Flags it lists
-
-B -
-b -
-d -
-f -
-m -
-o -
-s -
-t -
-v