The DUPMDISK command lets you create an exact duplicate of a specified existing minidisk. The resulting minidisk will be an exact duplicate of the input minidisk, having the same size, device type, label, and other attributes. If the target minidisk already exists, and has the same device type and size as the source disk, then an exact copy of the data on the source disk will be made on the target disk.
While the command can be used to duplicate a CMS minidisk, it also duplicates Linux formatted minidisks to assist in cloning Linux images on VM. By first making a master image and then using the DUPMDISK command to duplicate the directory entry and the minidisks, you can quickly set up multiple identical Linux images.
Note: For more information, see the DUPMDISK command, in the chapter "Command Reference" in the Reference Guide.
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