> (and I'm glad you have the same expectation. :) You're learning).
:)
When I do "$ pluma /etc/apt/sources.list"
it outputs this:
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "topmenu-gtk-module"
and then opens the text editor:
# deb cdrom:[Trisquel 8.0 _flidas_ - Release amd64 (20171223)]/ flidas main
# Trisquel repositories for supported software and updates
deb http://es.archive.trisquel.info/trisquel/ flidas main
deb-src http://es.archive.trisquel.info/trisquel/ flidas main
# deb http://es.archive.trisquel.info/trisquel/ flidas-backports main
# deb-src http://es.archive.trisquel.info/trisquel/ flidas-backports main
deb https://dl.winehq.org/wine-builds/ubuntu/ flidas main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ flidas main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ flidas main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ flidas main
deb mirror://linux-libre.fsfla.org/pub/linux-libre/freesh/mirrors.txt freesh
main
deb https://dl.winehq.org/wine-builds/ubuntu/ xenial main