How to Install Classic GNOME Flashback in Ubuntu 18.04 LTS
sudo apt update
sudo apt install gnome-session-flashback
https://www.debugpoint.com/2018/05/how-to-install-classic-gnome-flashback-in-ubuntu-18-04-lts/
sudo apt update
sudo apt install gnome-session-flashback
https://www.debugpoint.com/2018/05/how-to-install-classic-gnome-flashback-in-ubuntu-18-04-lts/