Troubleshooting: Why You Can't Create a Folder Named 'con' | Expert Tips

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The inability to create a folder named 'con' stems from historical limitations in DOS, where 'con' refers to the console (keyboard and screen). Similar restrictions apply to names like 'com1:' and 'lpt1:'. However, it is possible to create a folder with the name 'con' by using the Alt+0160 key combination, which inserts an invisible space character. This folder can be accessed through the graphical user interface (GUI), but software will not recognize it unless the Alt+0160 character is included in the filename reference.
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Can't create folder !

Why we can't create a folder with name 'con' ?
 
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Because the console (ie keyboard + screen) is called con: and because of some historical features in the way DOS was written you can't have a file with the same name.
You also can't have a file called com1: lpt1: and a couple of others
 


But sir,
After typing 'con' if we type '0160' holding Alt ...we can create the folder ...how is it happening ?
 


Alt+0160 inserts an invisible space character. You will be able to access this folder through the GUI, but software will not be able to find it unless you remember to include the ALT+0160 character in the filename reference.
 
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