frotz(6) on Linux
The text a1d3e121fbb0, as Debian 3.0 (Woody) shipped it.
interpreter for Infocom and other Z-Machine games
Flags it lists
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-A -
-F -
-O -
-P -
-Q -
-S -
-Z -
-a -
-b -
-c -
-d -
-e -
-f -
-h -
-l -
-o -
-p -
-q -
-r -
-s -
-t -
-u -
-w -
-x