ncheck_ffs(8) on OpenBSD
The text 88bd05e60279, as OpenBSD 6.5, OpenBSD 6.4, OpenBSD 6.3, OpenBSD 6.2, OpenBSD 6.1, OpenBSD 6.0, OpenBSD 5.9 shipped it.
generate names from inode-numbers
Flags it lists
-
-a -
-f -
-m -
-s