How to Access a Workgroup Computer. In a business, a workgroup represents the computers assigned to a local area network that share their resources with one another. These resources can include ...

AppleInsider explains how to remotely access the CD or DVD drive of another Mac or Windows PC from a Mac without the drive, across a network.

If you want to log in to your iTunes account from another computer, such as while you are traveling, you can authorize up to five stand-alone computers at any one time to access your iTunes ...