fsck(8) on FreeBSD
The text 8045fecd33f0, as FreeBSD 3.5.1-RELEASE, FreeBSD 3.5-RELEASE, FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
filesystem consistency check and interactive repair
Flags it lists
-
-b -
-c -
-f -
-l -
-m -
-n -
-p -
-y