New user

How to create new user for FrepbxGUI from cli?
Please help! I need urgent help!

Or how to change users permissions from CLI?

Please see this wiki article for using the Administrators module http://wiki.freepbx.org/display/F2/Administrators-Guides+and+Videos

Have you locked yourself out from the GUI?

If so have a look here: http://wiki.freepbx.org/display/L1/amportal+commands