* Change your password. ( You may need to use **sudo** ). The {{options}} flag can use -a, -d, -e, -h, -S, -i, -k, -l, -m , -q, -r, -u, -v, -x as arguments.
* Gives the current statuts of the user. The status information consists of 7 fields, sutch as the password status, the username, the date, the age etc...