Take COMMAND of keyboard shortcuts on your Mac with the command (⌘) key!
Here's a PDF and high-resolution JPEG & PNG of a keyboard shortcut poster for Mac that will complement your Mac computer lab (or classroom in a 1:1 laptop/computer environment).
If you have Macs and Windows/Chromebooks, please check out the "Take Control" poster—identical, but for the "Control"/"Ctrl" key on Windows/Chrome:
Please enjoy! You can print at as large a size as you need due to the high resolution. Use a banner printer, a professional printer, or set print to "tile" and assemble yourself.