The cross-platform standard for disk images is the ISO format. Unfortunately, the dmg type disk images that Mac OS X uses are not really Windows friendly.
The most common uses of this are to create backups, to create a file for burning to CD/DVD, or to transfer the entire contents of a hard drive from one computer to another. You can then transfer this file around, and then simply double-click on it to mount the disk image. They can be used to create a exact copy of any CD, DVD or hard drive and turn it into a single. Double-clicking this file will mount a disk image with the application inside on your desktop.ĭisk images have far more widespread uses than this though. If you download an application like Firefox or VLC for example, they come as a. Their most common use is for distributing applications across the internet. Most Mac users should be familiar with disk images, and if you aren't, you probably use them all the time without even realising.
