sxiv(1) on Linux
The text a1bc43f690c0, as Debian 8 (Jessie) shipped it.
Simple X Image Viewer
Flags it lists
-
-G -
-N -
-S -
-Z -
-b -
-c -
-f -
-g -
-h -
-i -
-n -
-o -
-q -
-r -
-s -
-t -
-v -
-z