ii  linux-headers-3.2.0-38                       3.2.0-38.61                                      Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-38-generic               3.2.0-38.61                                      Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
ii  linux-headers-3.2.0-56                       3.2.0-56.86                                      Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-56-generic               3.2.0-56.86                                      Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
ii  linux-headers-3.5.0-23                       3.5.0-23.35~precise1                             Header files related to Linux kernel version 3.5.0
ii  linux-headers-3.5.0-23-generic               3.5.0-23.35~precise1                             Linux kernel headers for version 3.5.0 on 64 bit x86 SMP
ii  linux-headers-3.5.0-43                       3.5.0-43.66~precise1                             Header files related to Linux kernel version 3.5.0
ii  linux-headers-3.5.0-43-generic               3.5.0-43.66~precise1                             Linux kernel headers for version 3.5.0 on 64 bit x86 SMP
ii  linux-headers-generic                        3.2.0.56.66                                      Generic Linux kernel headers
ii  linux-headers-generic-lts-quantal            3.5.0.43.49                                      Generic Linux kernel headers
ii  virtualbox                                   4.1.12-dfsg-2ubuntu0.5                           x86 virtualization solution - base binaries
ii  virtualbox-dkms                              4.1.12-dfsg-2ubuntu0.5                           x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                                4.1.12-dfsg-2ubuntu0.5                           x86 virtualization solution - Qt based user interface