How to Create a Virtual DVD or CD on a USB Drive. Virtual CDs and DVDs, also called disc images, are single files containing data stored within a CD or DVD file system.

You can create a portable PC on a USB stick and run it from anywhere. Here's a step-by-step guide on how to do it with Linux.

How to make a USB autorun a file? To make a USB autorun a file, create an autorun.inf file with the command ‘open=filename.exe’ and place it in the USB’s root directory.

Now that Apple has released OS X 10.9 Mavericks, you might want to consider creating a USB install drive for clean installs and future use.

Your new Mac doesn't include an installation media. With the help of a GUI, Jack Wallen shows you how to create a handy flash drive for macOS.