Making Your Terminal into a Desktop - page 4
The Value of Screen
It is possible to view high-resolution images from the terminal. To accomplish this, you'll need the ZGV package. Most GNU/Linux distributions do not have this installed by default, so you'll have to use your package manager to find and install ZGV and its dependencies.
Once the program is installed, you can type in
zgv to start a graphical file browser and image viewer, or you can pass it a file argument using this syntax:
Where "filename.jpg" is the name (and location, if the file is not in the directory you're currently in) of the graphic you want to view.