growfs(8) on FreeBSD
The text 670b5a86e423, as FreeBSD 7.0-RELEASE, FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE, FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
grow size of an existing ufs file system
Flags it lists
-
-N -
-s -
-y