ii  linux-headers-5.4.0-81                        5.4.0-81.91                                            all          Header files related to Linux kernel version 5.4.0
ii  linux-headers-5.4.0-81-generic                5.4.0-81.91                                            amd64        Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii  linux-headers-5.4.0-86                        5.4.0-86.97                                            all          Header files related to Linux kernel version 5.4.0
ii  linux-headers-5.4.0-86-generic                5.4.0-86.97                                            amd64        Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii  linux-headers-5.4.0-88                        5.4.0-88.99                                            all          Header files related to Linux kernel version 5.4.0
ii  linux-headers-5.4.0-88-generic                5.4.0-88.99                                            amd64        Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii  linux-headers-generic                         5.4.0.88.92                                            amd64        Generic Linux kernel headers
ii  virtualbox                                    6.1.26-dfsg-3~ubuntu1.20.04.2                          amd64        x86 virtualization solution - base binaries
ii  virtualbox-dkms                               6.1.26-dfsg-3~ubuntu1.20.04.2                          amd64        x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                                 6.1.26-dfsg-3~ubuntu1.20.04.2                          amd64        x86 virtualization solution - Qt based user interface