

You can also use IMG files as mountable disk images, which is extremely helpful if you have an ultra-slim laptop with no built-in optical drive. It's extremely useful as backup media, particularly if you're worried the original copy may someday be damaged.

IMG is a file format typically used to compress applications such as operating systems, video games, and generic software. If you've ever done disk burning in the past, you're probably familiar with different disk image file formats.
