ubuntu 20.04 lts focal fossa

How to install GNOME on Ubuntu 20.04 LTS Focal Fossa
gnome, gnu network object model environment is a graphical user interface (gui) in linux and especially in the ubuntu operating system. it includes many desktop applications and its purpose is to make the linux system easy to use for non-programmers.
Ubuntu 20.10 'Groovy Gorilla' set a release date
ubuntu 20.10 will be codenamed 'groovy gorilla', which is ubuntu's next major update.