QEMU

QEMU is a portable virtual machine emulator. It lets you run other operating systems in windows on your desktop.

Typical usage

qemu-system-x86_64 -usbdevice tablet -enable-kvm  -net nic -net user -m 768 -vga std /dev/sdb

ISO images

qemu-system-x86_64 -cdrom linuxmint-11-gnome-dvd-64bit.iso  -hda /dev/sdb -boot d