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 ...

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 ...