or download this
C:\Windows\system32>fsutil file queryfileid c:\SCRIPTS\test02.txt
ID del file: 0x002d00000016a8d1
...
Nome collegamento causale al file: \\?\C:\SCRIPTS\test02.txt
#0x002d00000016a8d1 hex is equal to 12666373953464529 dec (the same nu
+mber as above!!!)