Failure to comply with the Code of Computer Practice may result in losing your account privileges. Do not use more than two successively repeated characters or numbers in your password. Passwords on Unix do not expire, but you should change your password periodically. Passwords should not be words in any language. Do not use names, telephone numbers or any other numbers or names which can be deduced from information about you.
Good passwords utilize both numbers and letters.
If you type your new password in uppercase letters, then you must always type it in uppercase letters. It is recommended that you use the menu program to change your password.