du(1) on OpenBSD
The text 370321676cb5, as OpenBSD 7.1, OpenBSD 7.0, OpenBSD 6.9 shipped it.
display disk usage statistics
Flags it lists
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-H -
-L -
-P -
-a -
-c -
-d -
-h -
-k -
-r -
-s -
-x