Usually, when we upgrade our operating systems, we need to download the ISO image file from Internet and burn it into a CD/DVD or USB drive to make it bootable. It is similar to zip file but instead of compressing miscellaneous data, ISO image files often contains operating systems, applications, games and other programs that needs to be burned on a DVD/CD or an external flash drive in order to use it.
ISO file, which is also known as ISO image, is a type of file that represents disc data compressed with numerous applications in a single place.
