Below is what is shown if Logical DOS drives existed within an Extended DOS partition. In the example below, you can see one Extended DOS partition. However, this partition is currently not formatted and this is why the system is UNKNOWN.

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Display Logical DOS Drive Information

Drv Volume     Label     Mbytes System   Usage D: 969 UNKNOWN 100% D: 969 UNKNOWN 100%

Total Extended DOS Partition is 969 Mbytes (1 MByte = 1048576 bytes)

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  • See our fdisk command page for further information and related links on this command.