ii  linux-headers-2.6.32-28              2.6.32-28.55                                    Header files related to Linux kernel version
ii  linux-headers-2.6.32-28-generic      2.6.32-28.55                                    Linux kernel headers for version 2.6.32 on x
ii  linux-headers-2.6.32-33              2.6.32-33.72                                    Header files related to Linux kernel version
ii  linux-headers-2.6.32-33-generic      2.6.32-33.72                                    Linux kernel headers for version 2.6.32 on x
ii  linux-headers-2.6.38-020638          2.6.38-020638.201103151303                      Header files related to Linux kernel version
ii  linux-headers-2.6.38-020638-generic  2.6.38-020638.201103151303                      Linux kernel headers for version 2.6.38 on x
ii  linux-headers-generic                2.6.32.33.39                                    Generic Linux kernel headers
ii  virtualbox-ose                       3.1.6-dfsg-2ubuntu2                             x86 virtualization solution - base binaries
iF  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 
iU  virtualbox-ose-source                3.1.6-dfsg-2ubuntu2                             Transitional package for virtualbox-ose-dkms