how to add a user to mysql from the command line code example

Example 1: mysql add user with all privileges

CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON * . * TO 'newuser'@'localhost';
FLUSH PRIVILEGES;

Example 2: how to add privilege in mysql user

CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';