FM / examples

/usr/share/doc/apt/examples

Name	Size	Mode	Actions
apt.conf	442	0644	edit dl rm
configure-index	26451	0644	edit dl rm
preferences	166	0644	edit dl rm
sources.list	558	0644	edit dl rm

Edit: /usr/share/doc/apt/examples/preferences (166B)

Package: * Pin: release a=stable Pin-Priority: 500 Package: * Pin: release a=testing Pin-Priority: 101 Package: * Pin: release a=unstable Pin-Priority: 99