disc image
Virtual optical media
A disc image is a single file containing the complete contents and structure of a storage medium—typically a CD, DVD, or hard drive.
The image preserves everything: files, folders, boot sectors, and formatting.
Common formats include ISO, IMG, and DMG.
Disc images allow you to back up, distribute, or mount entire discs without physical media: I downloaded the disc image and burned it to a USB drive.
- ISOGlobal standards body
- burningCombustion in progress
- CD burnerDevice that writes optical discs
- mountingSteadily increasing in degree
- virtual driveEmulated disk in software
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