A small trick to hide text inside your text file using command prompt, but this trick works only on NTFS file system.

Steps to hide text in a Notepad

* Open your command prompt Start–>Run type cmd
* Move to any destination for example let us assume D:\> drive
* Type the below code in your command prompt
* D:\>notepad ahah.txt:hidden
* ahah notepad save

* ahah notepad hidden
* Write some data and save the file.
* Move to D:\> and open ahah.txt you cannot see no data in the file ahah.txt.
* To retrieve the hidden data open command prompt and type the same command.
* D:\>notepad ahah.txt:hidden
* Notepad will open ahah.txt file with hidden data