about 'con' & 'Nul' folder

Replies

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  komputergeek

  'con' is a reserved word from the old DOS days, meaning 'console'. If you wanted to create new text file in DOS you could type 'copy con filename.txt' meaning copy from the console to filename.txt. This would let you type some lines and when you ended the file with ^Z you would have a file called filename.txt containing whatever you wrote in the console.
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  xero

  the rest of the names are the generic names of ports