FM / apt

/etc/apt

Name	Size	Mode	Actions
apt.conf.d/	-	0755	rm
auth.conf.d/	-	0755	rm
keyrings/	-	0755	rm
preferences.d/	-	0755	rm
sources.list.d/	-	0755	rm
trusted.gpg.d/	-	0755	rm
sources.list	270	0644	edit dl rm

Edit: /etc/apt/sources.list (270B)

# Ubuntu sources have moved to the /etc/apt/sources.list.d/ubuntu.sources # file, which uses the deb822 format. Use deb822-formatted .sources files # to manage package sources in the /etc/apt/sources.list.d/ directory. # See the sources.list(5) manual page for details.