+A **disk image** is a single file that captures the complete content and structure of a [Storage Device](/wiki/Storage_Device), such as a hard drive or optical disc. It acts as a perfect replica, allowing for faithful restoration, duplication, or transfer of an entire [Disk](/wiki/Disk)'s data.
+## See also
+- [Backup](/wiki/Backup)
+- [Virtual Machine](/wiki/Virtual_Machine)
+- [File System](/wiki/File_System)