nextboot(8) on FreeBSD
The text af946888edb4, as FreeBSD 16.0-CURRENT (2026-10-27), FreeBSD 15.1-RELEASE shipped it. The page shows this text now.
specify an alternate kernel and boot flags for the next reboot
Flags it lists
-
-D -
-a -
-e -
-f -
-k -
-o