There is no such thing as a hard link to a directory. Only files can be hardlinked. For a directory, the only options are a symbolic link or a junction point.
– Harry JohnstonOct 20 '15 at 21:27
I see, got confused by the command mklink /J and /H. Thanks @HarryJohnston
– JerryOct 20 '15 at 21:34