xv is a program that displays image files in numerous formats on an X Windows display. To invoke the package, simply type:
xv filenameSilicon Graphics supplies packages to perform this functionality, but xv works on any X Windows display.
Formats supported include .rgb, .gif and .jpeg. xv displays one image at a time in an output window. This window can be stretched, compressed, rotated, or flipped, and then saved as a new image! xv has numerous other capabilities.