du(1) on OpenBSD
The text 3d0736afa032, as OpenBSD 7.8, OpenBSD 7.7, OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3, OpenBSD 7.2 shipped it.
display disk usage statistics
Flags it lists
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-H -
-L -
-P -
-a -
-c -
-d -
-h -
-k -
-r -
-s -
-x