tunefs(8) on FreeBSD
The text 4275e3c2b7fa, as FreeBSD 4.2-RELEASE, FreeBSD 4.1.1-RELEASE, FreeBSD 4.1-RELEASE, FreeBSD 4.0-RELEASE shipped it.
tune up an existing file system
Flags it lists
-
-A -
-a -
-d -
-e -
-m -
-o -
-p