Have you ever tried to create folders with names such as “con”, “prn”, “nul”, “com1″, “com2″, “lpt1″ etc. but failed? Is it impossible to create folders with such names in windows? Well, the answer is NO and YES! NO because, when create a new folder and try to rename it to any one of the above specified names, you know what happens! In Windows XP the folder name automatically changes back to “New Folder” no matter you try to renaming it any number of times. Where as in case of Windows Vista and Windows 7, when you try to rename the file you get an error message saying “The specified device name is invalid”. What is the reason behind this? Simple, these names represent the internal devices of the operating system and hence we cannot create folders with the above names. YES because it is still possible to create these folders using some simple methods as explained below: 1 . Using Command Prompt : Here is a step-by-step procedure to create the “con” folder using the command prompt: 1...