My laptop is running very slow so I thought about disabling the GUI and some preferred me to use this command to disable GUI
sudo service gdm stop
But using this command i am not abled to type anything, I mean I atleast want a terminal but the screen only shows a blinker blinking and I am not abled to type anything.
Please can someone recommend me anything else so that I can disable the GUI and enable it whenever I want.

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1 Answers
By stopping the GDM service sudo service GDM stop
you are being dropped to the Linux Virtual Console. There are 7 of them, accessible by the keyboard shortcuts Ctrl-Alt-F1
through Ctrl-Alt-F7
.
My guess is the blinking cursor you see is present on the first console. When you type Ctrl-Alt-F2
you will switch to the second console, where you'll be presented with a login prompt. Simply enter your username and password to login!
Beware though that most people would find using their computer directly from the virtual console a huge pain. Still, I believe that disabling the GUI is a great way to start your journey of truly learning how Linux-based systems actually work.
Personally, I installed the xinit
package and got rid of GDM entirely. Whenever I need to do graphical work, I run startx
to start the X windows server.

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ctrl-alt-f2
is not working... – Sree Hari May 24 '20 at 10:49