The "Command" key is important because it, rather than the "Control" key, is generally the key used to trigger keyboard shortcuts on OS X computers.

Get more out of Mac OS X's Mission Control feature with these keyboard shortcuts.

Option key glitch We have discovered a conflict between QuarkXPress F-key commands that use the Option key, and the new Keyboard control panel 8.5.x.

Control + Command + D – Highlight a word tapping this keyboard combo will give you the definition of that word.

X-Mouse Button Control for Windows 11/10 lets you remap your mouse buttons differently for different software. Download it free.

When turned on, the new option maps the buttons on your controller to the keyboard and mouse, so you can play games with those peripherals instead of the controller.