How to Change Run level graphic mode to text mode on Ubuntu 12.04 LTS

How to Change Run level graphic mode to text mode on Ubuntu 12.04 LTS

Step#1 adding "text" value to GRULB_CMDLINE_LINUX_DEFAULT="text" Like below:
            >vi /etc/default/grub

           then type :wq for save and quit.

Step#2 Command reconfigure grub.
            >update-grub

after Reboot Ubuntu Server 12.04LTS is Text Mode instead Graphic Mode.

Good luck by stamjub....