ii  linux-headers-3.11.0-4                    3.11.0-4.9                              all          Header files related to Linux kernel version 3.11.0
ii  linux-headers-3.11.0-4-generic            3.11.0-4.9                              amd64        Linux kernel headers for version 3.11.0 on 64 bit x86 SMP
ii  linux-headers-generic                     3.11.0.4.5                              amd64        Generic Linux kernel headers
ii  unity-scope-virtualbox                    0.1+13.10.20130723-0ubuntu1             all          VirtualBox scope for Unity
ii  virtualbox                                4.2.16-dfsg-2                           amd64        x86 virtualization solution - base binaries
ii  virtualbox-dkms                           4.2.16-dfsg-2                           all          x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                             4.2.16-dfsg-2                           amd64        x86 virtualization solution - Qt based user interface