du(1) on OpenBSD
The text 2b500a0185c2, as OpenBSD 3.7, OpenBSD 3.6, OpenBSD 3.5, OpenBSD 3.4 shipped it.
display disk usage statistics
Flags it lists
-
-H -
-L -
-P -
-a -
-c -
-h -
-k -
-r -
-s -
-x