What is a Disk Image?Ī disk image is a single file or storage device that usually contains a sector-by-sector replica of all of the data from a storage device such as a hard drive, DVD or floppy disk. Let’s take a closer look at what a disk image is and how you might be exposed to them while using your Mac. You might find that obtaining a deeper understanding of the technology you take for granted can help you in unexpected ways.Ī case in point is the entity known as a disk image. While it is not a necessity to understand every aspect of your computer and operating system in order to put them to very productive uses, there are times when it’s worth looking under the hood to see what’s really going on. The Mac’s ease of use often insulates us from the inner workings of the incredible technology that lurks behind its elegant interface. One of the most appealing characteristics of the macOS is the combination of power and simplicity that the operating system provides a user.
