Modify user's /etc/shadow record.
This option is used to set the minimum number of days before a password may be changed. The user will not be permitted to change the password until specified number of days have elapsed.
Default value: 0
This option is used to set the maximum number of days a password remains valid. After specified number of days, the password is required to be changed.
Default value: 99999
This option is used to set the number of days of warning the user will receive before his/her password will expire. The warning occurs specified number of days before the expiration, telling the user how many days remain until the password is set to expire.
Default value: 7
This option is used to disable an account after the password has been expired for a number of days. After a user account has had an expired password for specified number of days, the user may no longer sign on to the account.
Default value:
This option is user to set the default password to use. Don't ever set this option! Instead always enter the password via one of the interactive user interfaces.
Default value: