ii  linux-headers-2.6.38-8                2.6.38-8.42                                Header files related to Linux kernel version 2.6.38
ii  linux-headers-2.6.38-8-generic        2.6.38-8.42                                Linux kernel headers for version 2.6.38 on x86/x86_64
ii  linux-headers-generic                 2.6.38.8.22                                Generic Linux kernel headers
rc  virtualbox-4.0                        4.0.6-71344~Ubuntu~natty                   Oracle VM VirtualBox
ii  virtualbox-ose                        3.2.10-dfsg-2ubuntu1                       x86 virtualization solution - base binaries
ii  virtualbox-ose-dkms                   3.2.10-dfsg-2ubuntu1                       x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-ose-qt                     3.2.10-dfsg-2ubuntu1                       x86 virtualization solution - Qt based user interface