ii  linux-headers-3.2.0-29                       3.2.0-29.46                                      Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-29-generic               3.2.0-29.46                                      Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
ii  linux-headers-3.2.0-35                       3.2.0-35.55                                      Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-35-generic               3.2.0-35.55                                      Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
ii  linux-headers-3.2.0-36                       3.2.0-36.57                                      Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-36-generic               3.2.0-36.57                                      Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
ii  linux-headers-3.2.0-37                       3.2.0-37.58                                      Header files related to Linux kernel version 3.2.0
ii  linux-headers-3.2.0-37-generic               3.2.0-37.58                                      Linux kernel headers for version 3.2.0 on 64 bit x86 SMP
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-3.4.0-030400                   3.4.0-030400.201205210521                        Header files related to Linux kernel version 3.4.0
ii  linux-headers-3.4.0-030400-generic           3.4.0-030400.201205210521                        Linux kernel headers for version 3.4.0 on 32 bit x86 SMP
ii  linux-headers-3.5.0-25                       3.5.0-25.39~precise1                             Header files related to Linux kernel version 3.5.0
ii  linux-headers-3.5.0-25-generic               3.5.0-25.39~precise1                             Linux kernel headers for version 3.5.0 on 64 bit x86 SMP
ii  linux-headers-generic                        3.2.0.38.46                                      Generic Linux kernel headers
ii  linux-headers-generic-lts-quantal            3.5.0.25.32                                      Generic Linux kernel headers
ii  virtualbox                                   4.1.12-dfsg-2ubuntu0.2                           x86 virtualization solution - base binaries
ii  virtualbox-dkms                              4.1.12-dfsg-2ubuntu0.2                           x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                                4.1.12-dfsg-2ubuntu0.2                           x86 virtualization solution - Qt based user interface