Since the user has to learn how to manage this app using only text commands and parameters, the John the Ripper app will most likely capture the attention of more seasoned PC users and technicians who can look past this disadvantage and focus only on the actual success rate of password recovery. Built from the ground up to be focused only on working with passwords, this versatile password utility is distributed without a graphical user interface and is therefore accessible only via a command window. John the Ripper 64 bit is a decrypting and decoding utility built to test the strength of the user’s password as well as try to recover lost passwords using several built-in methodologies.