Are you suggesting an only CLI path to install .deb ?
Ok, nowadays right click on a .deb might open gnome-software and the likes but those « stores » are much heavier to run and somehow less informative regarding the action of installing just one .deb ( missing dependencies… )
gdebi is / was a graphical enough utility for that purpose, but… see picture attached.
Are you suggesting an only CLI path to install .deb ?
Ok, nowadays right click on a .deb might open gnome-software and the likes but those « stores » are much heavier to run and somehow less informative regarding the action of installing just one .deb ( missing dependencies… )
gdebi is / was a graphical enough utility for that purpose, but… see picture attached.