Any modern distro.

There are GUI methods for adding repositories to every major software center to my knowledge, and it isn’t very hard.

Kate, and other modern file editors are more than equipped to handle some config files, that’s probably the simplest thing ever.

There are multiple GUI front ends for samba.

Don’t comment on the usability of Linux GUI if you haven’t even tried in the last 20 years like seriously

Not only is this comment stupid, but it isn’t even remotely true. There are tons of famous, powerful individuals in all stretches of the public sphere that actively support Trump and the Republican party.