ii  linux-headers-2.6.32-33              2.6.32-33.71                                                          Header files related to Linux kernel version
ii  linux-headers-2.6.32-33-generic      2.6.32-33.71                                                          Linux kernel headers for version 2.6.32 on x
ii  linux-headers-3.0.0-0300rc2          3.0.0-0300rc2.201106081532                                            Header files related to Linux kernel version
ii  linux-headers-3.0.0-0300rc2-generic  3.0.0-0300rc2.201106081532                                            Linux kernel headers for version 3.0.0 on x8
ii  linux-headers-generic                2.6.32.33.39                                                          Generic Linux kernel headers
rc  virtualbox-4.1                       4.1.0-73009~Ubuntu~lucid                                              Oracle VM VirtualBox
ii  virtualbox-guest-additions           3.2.8-1~lucid1                                                        guest additions iso image for VirtualBox
ii  virtualbox-ose                       3.2.8-dfsg-2ubuntu1~lucid1                                            x86 virtualization solution - base binaries
iF  virtualbox-ose-dkms                  3.2.8-dfsg-2ubuntu1~lucid1                                            x86 virtualization solution - kernel module 
ii  virtualbox-ose-qt                    3.2.8-dfsg-2ubuntu1~lucid1                                            x86 virtualization solution - Qt based user