What are gmd/lightdm Display mangers and how to switch between them?
Switch Between GDM and LightDM in Ubuntu Display Manager? What is a display manager? In the X Window System, an X display manager is a graphical login manager which starts a session on an X server from the same or another computer. A display manager presents the user with a login screen. A session starts when a user successfully enters a valid combination of username and password.Also known as a "login manager", a display manager is responsible for starting the display server and loading the desktop. This happens right after your correctly enter your username and password How to switch between GDM and Lightdm display managers in ubuntu? Lightdm was the default display manager of ubuntu.From ubuntu 20.04 gdm3 is set as the default one.If you don't have already installed the two kinds of display managers,do it by using this command sudo apt-get install gdm3 and sudo apt-get install lightdm in terminal. Switching between GDM3 and LIGHTDM To switch between the tw...