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disk image Last modified: Tuesday, November 18, 2003
Also called a disk clone, an exact copy of a computer’s hard drive. The copy includes all the partition information, boot sectors, the file allocation table, operating system installation and application software. Disk images are used to transfer a hard drive’s contents during a hardware upgrade, to restore a hard drive’s contents during disaster recovery or when a hard drive is erased, and to transfer the contents of a hard drive from one computer to another. The process of creating a disk image is called disk imagine or disk cloning. Typically, special disk imaging software is required to copy the hard drive data.
	Related Categories Hard Disk Drives Hardware Memory Operating Systems Related Terms file allocation table hard disk drive MBR operating system partition sector