Make sure you are executing the DISKCOPY command under a CMD.EXE shell. Command.com is the old 16-bit DOS command line, it does not work properly with some newer features.
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10 basic Windows commands for beginners
Do you ever feel like navigating your Windows system is like a never-ending scavenger hunt? You click through endless menus and folders, just trying to find that one file or setting. That's where ...
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