cjpeg (1) Linux Manual Page
cjpeg – compress an image file to a JPEG file Synopsiscjpeg [ options ] [ filename ] Descriptioncjpeg compresses the named image file, or the standard input if no file is named, and produces a JPEG/JFIF file on the standard output. The currently supported input file formats are: PPM (PBMPLUS color format), PGM (PBMPLUS grayscale…
