How to create folders named con lpt1 com1 prn in windows ?

Following names are consider as a device / port in DOs. DOS devices cannot be used as folder names:

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

so creating a folder in above names are not possible in windows.

But we can create them with some simple tweaks...

steps as follows .

From command line

to create a folder

mkdir \\.\d:\con (this will create con folder in "D" drive)

use the same method to delete the folder

rmdir \\.\d:\con (this will delete con folder from "D" drive)