top(1) on OpenBSD
The text bf700d2fdddb, as OpenBSD 4.0, OpenBSD 3.9 shipped it.
display and update information about the top CPU processes
Flags it lists
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-I -
-S -
-T -
-U -
-b -
-d -
-i -
-n -
-o -
-p -
-q -
-s -
-u