nutupsdrv(8) on Linux
The text 1757c95c907c, as Debian 13 (Trixie) shipped it.
generic manual for unified NUT drivers
Flags it lists
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-B -
-D -
-F -
-L -
-P -
-V -
-a -
-c -
-d -
-g -
-h -
-i -
-k -
-q -
-r -
-s -
-u -
-x