I just accidentally pressed Ctrl+Alt+Cmd+8 and the screen inverted the colors!
Here's a few resources for you:
- Mac OS X keyboard shortcuts (apple.com)
- Useful keyboard shortcuts on a Mac (superuser.com)
- Dan Rodney's List of Mac OS X Keyboard Shortcuts & Keystrokes (danrodney.com)
- Table of keyboard shortcuts (wikipedia.org)
You can also search for
shortcuts from the "help" menu of almost any Mac application to obtain a list of shortcut keys.