pdksh(1) on Linux
The text 87ec81370590, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
Public domain Korn shell
Flags it lists
-
-- -
-H -
-L -
-S -
-a -
-c -
-d -
-f -
-i -
-l -
-m -
-n -
-p -
-r -
-s -
-t -
-v -
-w