Docs: https://imagemagick.org/script/command-line-processing.php
A tiled montage of 400×400 images with no padding with 10 columns from a folder full of pngs
magick montage '*.png' -geometry 400x400\>+0+0 -tile 10x montage.png
Code language: JavaScript (javascript)
A gif with a 100ms delay from a folder full of jpgs
magick convert -delay 100 -monitor -dither None *.jpg -loop 0 ppp.gif
Code language: CSS (css)