It often happens that some of your folders contain very important data and you delete those folders by mistake. So why not make such folders UNDELETEABLE & avoid such mistakes..! [Works with Windows XP|Vista|Seven]2]- Change the directory to where you want to create the folder.Type ‘cd..’ to exit the current directory. As an example i will be creating the folder in C:, so i will use the ‘cd..’ command twice to navigate to C: 3]- Type md\lpt1\\ and press enter, the folder now will be in your C:
4]- If you try to delete it, it wont delete. This works on all version of windows.
5]- If you want to delete it just go to ‘CMD’, navigate to the directory
and type rd\lpt1\\ and press Enter.