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DOS Console Device Input and Output

   The DOS CON device is always open as handle number 0 for input as STDIN and
handle 1 for Output as STDOUT unless input or output has been redirected. DOS
always maintains handle number 2 for output to the console as STDERR.
Redirection can be detected using INT\21F\44SF\00

file: /Techref/dos/device/driver/cons.htm, 0KB, , updated: 1999/4/21 06:46, local time: 2023/11/28 12:26,

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