dpkg -l | grep virtualbox ii virtualbox 5.1.8-dfsg-6 amd64 x86 virtualization solution - base binaries ii virtualbox-dkms 5.1.8-dfsg-6 all x86 virtualization solution - kernel module sources for dkms ii virtualbox-guest-additions-iso 5.1.8-1 all guest additions iso image for VirtualBox ii virtualbox-guest-dkms 5.1.8-dfsg-6 all x86 virtualization solution - guest addition module source for dkms ii virtualbox-guest-utils 5.1.8-dfsg-6 amd64 x86 virtualization solution - non-X11 guest utilities ii virtualbox-guest-x11 5.1.8-dfsg-6 amd64 x86 virtualization solution - X11 guest utilities ii virtualbox-qt 5.1.8-dfsg-6 amd64 x86 virtualization solution - Qt based user interface
