Create an undeletable and unrenamable folder in Windows and fool your friends

◾Go to Start and then Click on Run or press Windows key + R
◾ Open Command Prompt Typing cmd & pressing Enter
◾You can't make this kind of folder in C: drive if you installed windows on C
◾So type D: or E: to change the drive to D: or E: and press Enter
◾Type md aux\ and hit enter (md is the command used to make directory in DOS)
◾You may use other words such as con, prn, lpt1, lpt2, lpt3 up to lpt9 instead of aux in above step. They are the reserved words of DOS.
◾Open that directory, you will see the folder of the name aux.
◾Try to delete that folder or rename that folder windows will show the error message
It is not possible to delete these type of folder manually but you can delete this folder by another way mentioned below.
Open Command Prompt Type D: ( if u created this type of folder in D: drive) & hit enter Type "rd aux\" without quotes (rd - remove directory)

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