NAMES WHICH WE CANNOT GIVE FOR FOLDERS IN WINDOWS

Tip# 15 : CHALLENGE FOR WINDOWS USERS
Can any one create a folder with the names
  1.prn

  2.con
  3.aux
  4.nul
  5.lpt1 to lpt9
  6.com1 to com9

  
You cannot create such files because they are some keywords reserved by the Windows.


Name  Function
   ----    --------
   CON      Keyboard and display
   PRN      System list device, usually a parallel port
   AUX      Auxiliary device, usually a serial port
   NUL      Bit-bucket device
   COM[1-9]      serial communications ports
   LPT[1-9]     parallel printer port