nextboot(8) on FreeBSD
The text 499ffc7cd89d, as FreeBSD 4.7-RELEASE, FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE, FreeBSD 4.5-RELEASE, FreeBSD 4.4-RELEASE shipped it.
install a default bootstring block on the boot disk
Flags it lists
-
-b -
-d -
-e