diskimage
nounUK /ˈdɪsk ˌɪmɪdʒ/
US /ˈdɪsk ˌɪmɪdʒ/
A disk image is a computer file that holds an exact copy of a whole disk.
She made a disk image of her laptop before installing the new software.
RELATED WORDS
OTHER MEANINGS
2. A single file that contains the complete contents and structure of a storage device.
The technician restored the server from a disk image.
3. An ISO or similar file used to create a CD, DVD, or USB copy.
Download the disk image and burn it to a USB stick.
4. A saved copy of a computer's operating system and files used for recovery.
Keep a disk image so you can recover quickly after a crash.