1These utilities display several types of images under X11, or load images 2onto the X11 root window. 3 4A variety of options are available to modify images prior to viewing. These 5options include clipping, dithering, depth reduction, zoom (either X or Y 6axis independently or both at once), brightening or darkening, input gamma 7correction, and image merging. When applicable, these options are applied 8automatically (e.g. a color image to be displayed on a monochrome screen 9will be dithered automatically). An utility (xlito) is provided that allows 10these viewing options to be appended to the image files. 11