How to change windows administrator password from cmd!!

Hi friends,
This is a cool method to change password of accounts of windows without knowing the present one , might be administrator or guest account

1. Go to start-> run and type cmd , A black windows will open
2. There type net user . It will show the list of accounts activated on the system
3. then type net user (name of the account without brackets) password
4. It will ask you to type a new password for the account , type the new password ( while typing the cursor will not move but system is writting ) and confirm the password entered

voila the password has been changed !!