Just found this post of the ever-great Lifehacker.com.  Whether you’re starting to post on your own blog or just want a little help making your day-to-day computing tasks quicker, here’s a cheat sheet you can use to get started with keyboard shortcuts.  There’s one for Mac OS X and one for Windows (or Windows 8) so take your pick.  This is from Lifehacker:

Most of the shortcuts on this page are pretty simple, but they’re the basics a novice ought to know. Remember, the cheat sheet is just a starting point. Don’t forget to teach your friend or family member how to find new ones themselves. Once they get the hang of the basics, hopefully they’ll be hooked.

Print Out This OS X Keyboard Shortcut Cheat Sheets for Your Less Tech-Savvy Friends and Family