Install File Editors and alternative File Explorer
Ubuntu comes with gedit, diff (command line) and Nautilus. We have had feedback from many users that GEANY, MELD, and THUNAR are preferred.
Who knows, maybe you will finally find a replacement for VI? No, you are right, that is just being silly! EMACS is king! Wait, Geany was being recommended!
Open a terminal
$ sudo apt install --yes geany meld thunar
$ meld& geany & thunar&
Once the programs open, right click and add to the favorites menu