no because the following list are DOS devices cannot be used as folder names:
CON, PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, and LPT9.
these are internal device objects these cannot be assigned to others if so conflicts occurs
so to avoid that os prevents
but we can achive this by using the command in command prompt
mkdir \\.\D:\vijay\con
and to remove the floder type the commad as
rmdir \\.\D:\vijay\con
CON, PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, and LPT9.
these are internal device objects these cannot be assigned to others if so conflicts occurs
so to avoid that os prevents
but we can achive this by using the command in command prompt
mkdir \\.\D:\vijay\con
and to remove the floder type the commad as
rmdir \\.\D:\vijay\con