pl(1) on Linux
The text e9a412b1c69e, as Debian 2.1 (Slink) shipped it.
SWI-Prolog 3.1.0
Flags it lists
-
-- -
-A -
-G -
-H -
-L -
-O -
-T -
-arch -
-dump-runtime-variables -
-help -
-v