ii  linux-headers-3.8.0-31                      3.8.0-31.46~precise1                       Header files related to Linux kernel version 3.8.0
ii  linux-headers-3.8.0-31-generic              3.8.0-31.46~precise1                       Linux kernel headers for version 3.8.0 on 64 bit x86 SMP
ii  linux-headers-generic-lts-raring            3.8.0.31.31                                Generic Linux kernel headers
ii  virtualbox                                  4.1.12-dfsg-2ubuntu0.3                     x86 virtualization solution - base binaries
ii  virtualbox-dkms                             4.1.12-dfsg-2ubuntu0.3                     x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                               4.1.12-dfsg-2ubuntu0.3                     x86 virtualization solution - Qt based user interface