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== Feh and Qiv ==The feh image viewer. Command line image viewer with no GUI menu interface. The qiv image also has no interface, it can be launched only from the command line. Also consider "display" which is part of both the ImageMagick and GraphicsMagick packages, so if you have them installed then you probably won't need feh or qiv.== GPicView ==Simple and fast image viewer opens large image files well.== Ristretto ==This comes with xfce. Has an interface with thumbnails on the left, and you can move through the images by clicking the navigation keys at the top of the window.== Mirage ==Mirage lets you resize and crop images as well as view them, so it technically is more than a viewer and therefore that might turn some people off that are looking for a read-only viewer.