can u create a folder named as con in the Ms windows ?

Answer 1

no, the term con is a protected filename in dos and windows,

Answer 2

You can't use the reserved names as filenames.

Do not use the following reserved device names for the name of a file: CON, PRN, AUX, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, and LPT9.

Also avoid these names followed by an extension, for example, NUL.tx7.

Windows NT: CLOCK$ is also a reserved device name