kldunload(8) on FreeBSD
The text 106013c4c4a3, as FreeBSD 3.5.1-RELEASE, FreeBSD 3.5-RELEASE, FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
unload a file from the kernel
Flags it lists
-
-i -
-n -
-v