Force Ubuntu Boot into Terminal

To make Ubuntu boot command line by default, you will have to open and edit 

. Open terminal, and open the file using the following command:

sudo nano /etc/default/grub

Find the line that says 

. By default it should have quotation marks with nothing in between. Add the word “text” within the quotation marks as shown in the picture below.

Save the file by pressing Ctrl X, followed by “Y”. Then update Grub using the command 

 to make Ubuntu boot into terminal on reboot.

Upon reboot, you should Ubuntu boot to commandline by default

To Start the GUI Use

sudo start lightdm