Create checkerboard pattern

magick

  • Create, edit, compose, or convert bitmap images.
    ImageMagick version 7+. See `convert` for versions 6 and below.
    More information: <https://imagemagick.org/>.
  • Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

magick -size {{640x480}} pattern:checkerboard {{checkerboard.png}}

click the source code to copy install magick on any operating system with command-not-found.com