ImageMagick is the "Swiss Army knife" of manipulating images on the command line. While you could use a desktop graphics program like GIMP or GLIMPSE to adjust or combine photos and graphics, sometimes it's just easier to use one of the almost dozen tools from ImageMagick.
For example, I frequently find myself creating image montages to share on social media. Let's say I wanted to share a montage or "image grid" of several screenshots. To do that, I use the ImageMagick montage command.
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