fsck_ffs(8) on OpenBSD
The text 8ecd89a59e86, as OpenBSD 5.7, OpenBSD 5.6, OpenBSD 5.5, OpenBSD 5.4, OpenBSD 5.3 shipped it.
Fast File System consistency check and interactive repair
Flags it lists
-
-b -
-c -
-f -
-m -
-n -
-p -
-y