If you have a Mac and your user account has administrator privileges, you’re able to access things and perform actions that aren’t available to users that don’t have admin accounts.
But even accounts with admin privileges are limited in the things they can access and do on a Mac.
However, there’s a special user account with the username “root” that you can use to access and make changes to any area of the file system that isn’t write-protected by your Mac’s System Integrity Protection system. [Read more…]
Question from Linda: 
You’re probably familiar with the super-handy ‘Picture-in-Picture’ feature that allows you to watch two programs at once on your TV.
Question from Myron:
Most Windows users know how important it is to always have a recent backup on hand in case their PC’s hard drive or SSD goes south on them or some other disaster strikes.