Install Qemu For Ubuntu, Debian, Mint, Kali We can install Qemu with the qemu package name for different distributions. qemu-system-x86_64 is the binary or command for Qemu which is used to create 64-bit x86 VMs. So this project also provides Qemu with different command names but with more features. Qemu is used in the Linux Kernel Virtualization project named KVM. Qemu is a very old and big project which has different user bases and intersecting with different projects. A virtualization configuration is made on the QEMU. KVM resides in Linux kernel and there is a little configuration for it. QEMU acts as a hardware supplier and KVM is the CPU. But with the KVM Qemu get superfast speed for computing by using hardware-based virtualization. Before KVM and XEN QEMU was used heavily but it can not race with VMWARE or VIRTUAL PC. Qemu is a very old virtualization technology used to virtualize system components and run operating systems on it.