Your Mac laptop's battery is going to wear out one day. Here's how you can check on the condition of the battery today. Easy and informative.
Close every window of a Mac app, all at once
Command-W does what a click on the red button does. Command-Option-W does what an Option-click on the red button does-- close all windows for that app.
Get Mac System Information with a single click
Get detailed information about your Mac in a single move, under the Apple menu. What other people do in two moves you can do in one!