Looking for some basic Mac know-how? You might have missed these tips the first time we published them, so here's another chance for you to get caught up on your mad Mac 101 skills. Remember, 101s are intended for new Mac users; if you're an expert, you probably won't learn anything new (but you never know).
Mastering the Save Dialog
Learn the secret of that down-pointing arrow to the right of the file name.
Simple File Renaming
It's easier than you might think.
Changing Icon Sizes
Resize your icons for your best viewing.
Using your home folder for personal files.
Understanding DMG files
Why you shouldn't run applications from disk images.
Written by Erica Sadun