# ppmhist > Print a histogram of the colors present in a PPM image. > See also: `pgmhist`. > More information: . - Generate the histogram for human reading: `ppmhist {{[-nom|-nomap]}} {{path/to/image.ppm}}` - Generate a PPM file of the colormap for the image, with the color histogram as comments: `ppmhist {{[-m|-map]}} {{path/to/image.ppm}}` - Display version: `ppmhist {{[-v|-version]}}`