dosemu2 is an emulator for running DOS programs under linux. It can also serve as a VM to boot various DOSes.

Binary packages for ubuntu are available here: https://code.launchpad.net/~dosemu2/+archive/ubuntu/ppa

Binary packages for fedora are here: https://copr.fedorainfracloud.org/coprs/stsp/dosemu2

Binary packages for OpenSUSE are here: https://download.opensuse.org/repositories/home:/stsp2/openSUSE_Tumbleweed