Create some shortcuts of a folder (or a file), add them to the VFS real or virtual, the names of shortcuts are kept: 'shorcut of name' , 'shorcut[2] of name' ...
if you create a lot of N shorcuts linkeds to one folder then the same folder is added to the VFS with N differents names at the same place.
With the modification, the resolved name of the folder or file is added to the vfs and incremented if necessary, it is easier to dectect clones
There is another modification bound to the one who never allows to add doubloons