gqview(1) on Linux
The text 7e28f89c2db1, as Debian 3.0 (Woody) shipped it.
GTK based multiformat image viewer
Flags it lists
-
--debug -
--fullscreen -
--help -
--list -
--slideshow -
--version -
-f -
-h -
-l -
-s -
-t -
-tools -
-v