dispwin(1) on Linux
The text a453018bdaa1, as Debian 7 (Wheezy) shipped it.
Test display patch window, Set Video LUTs, Install profiles.
Flags it lists
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-D -
-E -
-F -
-G -
-I -
-L -
-P -
-S -
-U -
-V -
-c -
-d -
-f -
-i -
-m -
-n -
-r -
-s -
-v