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Why can't you create a folder named CON in Windows or MS-DOS?

Anonymous

∙ 13y ago

Updated: 10/3/2023

In MS-DOS, several special "device files" were available to aid in performing certain tasks, such as clearing the screen or deleting extraneous output from a program. In order to maintain backwards-compatibility, all versions of Windows up to and including Windows 7 will refuse to allow you to create a file with these "reserved" device file names. The following file names are reserved:

CON
PRN
AUX
NUL
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
LPT1
LPT2
LPT3
LPT4
LPT5
LPT6
LPT7
LPT8
LPT9

CON, incidentally, was a device file used to capture whatever was printed onscreen.

Wiki User

∙ 13y ago

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More answers

CON is a reserved device name in Windows.

Wiki User

∙ 13y ago

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