expiry − check and enforce password expiration policy
The expiry command checks (−c) the current password expiration and forces (−f) changes when required. It is callable as a normal user command.
The options which apply to the expiry command are:
Check the password expiration of the current user.
Force a password change if the current user has an expired password.
Display help message and exit.
User account information.
Secure user account information.