katarakt(1) on Linux
The text b18ba4f91cd7, as Debian 9 (Stretch) shipped it.
a simple PDF viewer with three layouts
Flags it lists
-
--fullscreen -
--help -
--page -
--quit -
--single-instance -
--url -
--write-default-config -
-f -
-h -
-p -
-q -
-s -
-u