sxiv
Simple X Image Viewer. tldr-pages
On Linux
Linux
Open an image
sxiv path/to/imageIdentifyOpen an image in fullscreen mode
sxiv -f path/to/fileIdentifyOpen a newline-separated list of images, reading filenames from stdin
echo path/to/file | sxiv -iIdentifyOpen one or more images as a slideshow
sxiv -S seconds path/to/image1 path/to/image2 ...IdentifyOpen one or more images in thumbnail mode
sxiv -t path/to/image1 path/to/image2 ...Identify