Apple releases helpful Mac Cheat Sheet
Apple has released a handy printable cheat sheet for Mac users to fill out with relevant system information, very useful in the event of any trouble. Here’s what Apple says about the cheat sheet:
“Whether your Mac asks you for certain information or you’re seeking help from Apple or an Apple Authorized Service Provider (AASP), there may come a time when you need to have your various passwords, dial-up numbers, mail server addresses, email addresses, hardware specifications, serial number, and other information handy. And then you discover that you’ve either forgotten or misplaced this information. If you forget it, don’t sweat it—pull up your Mac Cheat Sheet instead.”

This is exactly what my Mom needs
My HDD just passed away and I lost all the funny things I had on it including my tips&tricks data.