xcopy command in ms-dos does not work

January 15, 2011 at 12:27:45
Specs: Windows Vista
I have been using ms-dos in vista to backup my files. When I run my program, it tells me that xcopy is not a valid command.

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January 15, 2011 at 16:09:27
That's because there is no dos in Vista. It has a command prompt but the old dos commands don't work as they did.
Type help at the command prompt for a list of valid commands.

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January 16, 2011 at 08:57:49
I have been using a backup program I wrote and it worked fine until about a month ago. The "HELP" command is also not valid. Something has changed, but I am not sure what. The "COPY command will work, but not "XCOPY".

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January 16, 2011 at 11:35:04
It appears the XCOPY still works in Vista so you have an unknown problem.
For a list of commands that HELP would have supplied follow the link below.

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