Create MySQL user account and priviledge from the Terminal

1. Open a terminal and login to MySQL as root:
   mysql --user="root" --password="your_root_password"
2. Create a new user and password with the following command:
   CREATE USER 'new_username'@'localhost' IDENTIFIED BY 'password_for_new_username';
3. Assign privileges to the new user, enter the command:
   GRANT ALL ON *.* TO 'new_username'@'localhost';
4. Exit MySQL interface, enter:
   exit