manish@freedom:~$ apt-cache policy fluxbox libimlib2 libc6
fluxbox:
  Installed: (none)
  Candidate: 1.0.0-1
  Version table:
     1.0.0-1 0
        500 http://in.archive.ubuntu.com gutsy/universe Packages
libimlib2:
  Installed: (none)
  Candidate: 1.3.0.0debian1-4build1
  Version table:
     1.3.0.0debian1-4build1 0
        500 http://in.archive.ubuntu.com gutsy/main Packages
libc6:
  Installed: 2.6.1-1ubuntu10
  Candidate: 2.6.1-1ubuntu10
  Version table:
 *** 2.6.1-1ubuntu10 0
        500 http://in.archive.ubuntu.com gutsy-updates/main Packages
        100 /var/lib/dpkg/status
     2.6.1-1ubuntu9 0
        500 http://in.archive.ubuntu.com gutsy/main Packages