bootparamd(8) on FreeBSD
The text 28b3b0d6859e, as FreeBSD 7.0-RELEASE, FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE, FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
boot parameter server
Flags it lists
-
-d -
-f -
-r -
-s