# apt-cache policy
Package files:
 100 /var/lib/dpkg/status
     release a=now
 500 http://deb.opera.com/opera/ stable/non-free amd64 Packages
     release o=Opera Software ASA,a=stable,n=squeeze,l=The Opera web browser,c=non-free
     origin deb.opera.com
 500 http://dl.google.com/linux/earth/deb/ stable/main amd64 Packages
     release v=1.0,o=Google, Inc.,a=stable,n=stable,l=Google,c=main
     origin dl.google.com
 500 http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages
     release v=1.0,o=Google, Inc.,a=stable,n=stable,l=Google,c=main
     origin dl.google.com
 500 http://http.us.debian.org/debian/ squeeze/contrib amd64 Packages
     release v=6.0.1,o=Debian,a=stable,n=squeeze,l=Debian,c=contrib
     origin http.us.debian.org
 500 http://ftp.debian.org/debian/ squeeze-updates/main amd64 Packages
     release o=Debian,a=stable-updates,n=squeeze-updates,l=Debian,c=main
     origin ftp.debian.org
 500 http://cdn.debian.net/debian/ squeeze/non-free amd64 Packages
     release v=6.0.1,o=Debian,a=stable,n=squeeze,l=Debian,c=non-free
     origin cdn.debian.net
 500 http://cdn.debian.net/debian/ squeeze/contrib amd64 Packages
     release v=6.0.1,o=Debian,a=stable,n=squeeze,l=Debian,c=contrib
     origin cdn.debian.net
 500 http://cdn.debian.net/debian/ squeeze/main amd64 Packages
     release v=6.0.1,o=Debian,a=stable,n=squeeze,l=Debian,c=main
     origin cdn.debian.net
 500 http://www.debian-multimedia.org/ squeeze/non-free amd64 Packages
     release v=6.0,o=Unofficial Multimedia Packages,a=stable,n=squeeze,l=Unofficial Multimedia Packages,c=non-free
     origin www.debian-multimedia.org
 500 http://www.debian-multimedia.org/ squeeze/main amd64 Packages
     release v=6.0,o=Unofficial Multimedia Packages,a=stable,n=squeeze,l=Unofficial Multimedia Packages,c=main
     origin www.debian-multimedia.org
 500 http://security.debian.org/ squeeze/updates/main amd64 Packages
     release v=6.0,o=Debian,a=stable,n=squeeze,l=Debian-Security,c=main
     origin security.debian.org
Pinned packages:
N: Ignoring file 'google-earth.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'google-chrome.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension