Some Words can not be used as a folder name

Till today you might received a mail that says "We can't create a mail with the name con or CON."

Here, i show you few more words we can't use as a folder name.

CON, NUL, COM1, COM2, COM3, LPT1, LPT2, LPT3,COM1 to COM9 and LPT1 to LPT9....

in any of the windows operating system.

There is a way too to make it, but we can't open files inside them anyway.

You can try to see if it is true