fsck_ext2fs(8) on OpenBSD
The text 893334b66e50, as OpenBSD 5.7, OpenBSD 5.6, OpenBSD 5.5, OpenBSD 5.4, OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0, OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7 shipped it.
Second Extended File System consistency check and interactive repair
Flags it lists
-
-b -
-d -
-f -
-m -
-n -
-p -
-y