ii  linux-headers-2.6.38-13                         2.6.38-13.57~lucid1                             Header files related to Linux kernel version
ii  linux-headers-2.6.38-13-generic                 2.6.38-13.57~lucid1                             Linux kernel headers for version 2.6.38 on x
ii  linux-headers-2.6.38-14                         2.6.38-14.58~lucid1                             Header files related to Linux kernel version
ii  linux-headers-2.6.38-14-generic                 2.6.38-14.58~lucid1                             Linux kernel headers for version 2.6.38 on x
ii  linux-headers-generic-lts-backport-natty        2.6.38.14.24                                    Generic Linux kernel headers
ii  virtualbox-ose                                  3.1.6-dfsg-2ubuntu2                             x86 virtualization solution - base binaries
ii  virtualbox-ose-dkms                             3.1.6-dfsg-2ubuntu2                             x86 virtualization solution - kernel module 
ii  virtualbox-ose-qt                               3.1.6-dfsg-2ubuntu2                             x86 virtualization solution - Qt based user