ii  linux-headers-3.2.0-23                    3.2.0-23.36                                          Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-23-generic-pae        3.2.0-23.36                                          Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
ii  linux-headers-3.2.0-26                    3.2.0-26.41                                          Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-26-generic-pae        3.2.0-26.41                                          Linux kernel headers for version 3.2.0 on 32 bit x86 SMP
iU  linux-headers-3.5.0-5                     3.5.0-5.5                                            Header files related to Linux kernel version 3.5.0
iU  linux-headers-3.5.0-5-generic             3.5.0-5.5                                            Linux kernel headers for version 3.5.0 on 32 bit x86 SMP
iU  linux-headers-generic                     3.5.0.5.5                                            Generic Linux kernel headers
ii  linux-headers-generic-pae                 3.2.0.26.28                                          Generic Linux kernel headers
ii  virtualbox                                4.1.12-dfsg-2ubuntu0.1                               x86 virtualization solution - base binaries
ii  virtualbox-dkms                           4.1.12-dfsg-2ubuntu0.1                               x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                             4.1.12-dfsg-2ubuntu0.1                               x86 virtualization solution - Qt based user interface