My first Mac was a Mac Plus, no hard drive, 1 MB of RAM. Bought it as a grad student at The University of Texas as Austin.
My first Mac
Toggle between normal view and inverted view
If your Mac's screen is white text on black, instead of black text on white, you may be in "Inverted" screen mode. Here's how you toggle that on and off.
How to find your Mac’s serial number the hard way
The iMac's serial number is printed on the underside of its foot. It's in tiny type, but it's there.
How to find your Mac’s serial number the easy way
There's a hard way, and an easy way, to find your Mac's serial number. This is the easy way.
Original Mac keyboard didn’t have function keys
Steve Jobs wanted his Mac to be the opposite of the IBM PC, and part of that was "no Control key, no Alt key, and no function keys." He changed his mind eventually.
Add the Shift key to go the other way
In a spreadsheet, tabbing goes forward... but Shift-tabbing goes backward! Also works in dialog boxes and web forms.
If you can print it, you can turn it into a PDF
Mac users, here's how you create a PDF from any printable document. It's built into the system-- no need to install anything!
Minimize a Mac window by double-clicking its title bar
Minimize a window with a simple double-click in the title bar. It's easier to click the title bar twice than to click the yellow button once, because the target is so much bigger.
Did your Mac’s red, yellow, and green buttons change to gray?
Bring some color back to your Mac! If the Close, Minimize, and Zoom buttons aren't red, yellow, and green, check the System Preferences.
Essential Mac keyboard shortcuts: Command-Z, -X, -C, and -V
Mac users, if you know only four keyboard shortcuts, let them be these four! Command-Z, Command-X, Command-C, and Command-V are what make the Mac the Mac.