pdksh(1) on Linux
The text 211c21a7934a, as Debian 6.0 (Squeeze) 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