How to Install Qemu on GNU/Linux Distros
GNU/Linux Installing Latest QEMU Guide
How to Install Latest QEMU on GNU/Linux Desktops.
QEMU is a Generic Free and Open Source Machine Emulator and Virtualizer.
Most noteworthy: Latest QEMU Setup on Linux is currently achieved only with a Source Code Installation.
And QEMU make use of KVM, a full Virtualization Solution for Linux on x86 Hardware containing Virtualization Extensions (Intel VT or AMD-V).
Using KVM, one can Run Multiple Virtual Machines Running Unmodified Linux or Windows Images. Each Virtual Machine has private Virtualized Hardware: a Network Card, Disk, Graphics Adapter, etc.