ii  linux-headers-3.11.0-11                               3.11.0-11.17                               all          Header files related to Linux kernel version 3.11.0
ii  linux-headers-3.11.0-11-generic                       3.11.0-11.17                               amd64        Linux kernel headers for version 3.11.0 on 64 bit x86 SMP
ii  linux-headers-3.11.0-12                               3.11.0-12.19                               all          Header files related to Linux kernel version 3.11.0
ii  linux-headers-3.11.0-12-generic                       3.11.0-12.19                               amd64        Linux kernel headers for version 3.11.0 on 64 bit x86 SMP
iU  linux-headers-3.12.0-1                                3.12.0-1.3                                 all          Header files related to Linux kernel version 3.12.0
iU  linux-headers-3.12.0-1-generic                        3.12.0-1.3                                 amd64        Linux kernel headers for version 3.12.0 on 64 bit x86 SMP
iU  linux-headers-generic                                 3.12.0.1.2                                 amd64        Generic Linux kernel headers
ii  unity-scope-virtualbox                                0.1+13.10.20130723-0ubuntu1                all          VirtualBox scope for Unity
rc  virtualbox                                            4.1.18-dfsg-1ubuntu1                       amd64        x86 virtualization solution - base binaries
ii  virtualbox-guest-dkms                                 4.2.16-dfsg-3                              all          x86 virtualization solution - guest addition module source for dkms
ii  virtualbox-guest-utils                                4.2.16-dfsg-3                              amd64        x86 virtualization solution - non-X11 guest utilities
ii  virtualbox-guest-x11                                  4.2.16-dfsg-3                              amd64        x86 virtualization solution - X11 guest utilities
rc  virtualbox-qt                                         4.1.18-dfsg-1ubuntu1                       amd64        x86 virtualization solution - Qt based user interface