tortho@tortho-laptop:~$ apt-cache policy virtualbox && apt-cache depends virtualbox-ose
virtualbox:
  Installed: (none)
  Candidate: (none)
  Version table:
virtualbox-ose
  Depends: adduser
 |Depends: debconf
  Depends: <debconf-2.0>
    cdebconf
    debconf
  Depends: libc6
  Depends: libgcc1
 |Depends: libgl1-mesa-glx
  Depends: <libgl1>
    libgl1-mesa-glx
    libgl1-mesa-swx11
  Depends: libglib2.0-0
  Depends: libidl0
  Depends: libqt3-mt
  Depends: libsdl1.2debian
  Depends: libstdc++6
  Depends: libx11-6
  Depends: libxalan110
  Depends: libxcursor1
  Depends: libxerces27
  Depends: libxext6
  Depends: libxt6
  Depends: virtualbox-ose-modules
 |PreDepends: debconf
  PreDepends: <debconf-2.0>
    cdebconf
    debconf
  Suggests: bridge-utils
  Suggests: uml-utilities
  Suggests: virtualbox-ose-source
  Conflicts: <virtualbox>
  Replaces: <virtualbox>
    virtualbox-ose
tortho@tortho-laptop:~$