What is the fine-grained topic of the following text: Because the ISO file retained complete data information of the compact disc (including compact disc boot information), you were allowed the convenience to use commonly used CD/DVD burning software (for example Nero-Burning ROM ) to record the disc with your CD-R/RW or DVD-R/RW over and over forever, it can also be used directly through Virtual CD/DVD-ROM drive software (for example Daemon-Tools). Only return the topic.
Using ISO files for CD/DVD burning and virtual drive software