How do i add a new user to a local group on the server from the command line?

Product:
Cognos Controller 10
Windows 2008 R2 server

Problem:
How do i add a new user to a local group on the server from the command line ?

Cause:
Can be needed in testing purpose on a new installation of Cognos software, to see if the issue is because of the windows profiles temp files. Test with a new user can be good.

Solution:
Start CMD as administrator on the Server ( or client computer).

Enter ; to create user mike
NET USER /ADD MIKE

Enter ; to set his password to password
NET USER MIKE PASSWORD

Enter ; to add mike to the local administrator group
NET LOCALGROUP ADMINISTRATORS MIKE /ADD

Enter ; to list users in the local group
NET LOCALGROUP ADMINISTRATORS

Enter ; to start a remote desktop session
MSTSC /v:127.0.0.1 /w:1024 /h:768

/v enter the name of the server or IP
/w set the width of the window
/h set the height of the window

More Information:
http://ss64.com/nt/net_useradmin.html
http://ss64.com/nt/mstsc.html