df(1) on OpenBSD
The text 3d66e4cea5ee, as OpenBSD 7.8, OpenBSD 7.7, OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3 shipped it.
display free disk space
Flags it lists
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-P -
-h -
-i -
-k -
-l -
-n -
-t