# qemu-system-x86_64 > Emulate the `x86_64` architecture. > More information: . - Boot from an image emulating the `x86_64` architecture: `qemu-system-x86_64 -hda {{image_name.img}} -m {{4096}}` - Boot a QEMU instance from a live ISO image: `qemu-system-x86_64 -hda {{image_name.img}} -cdrom {{os_image.iso}} -boot d -m {{4096}}` - Boot from a physical device (e.g. from USB to test a bootable medium): `qemu-system-x86_64 -hda {{/dev/storage_device}} -m {{4096}}` - Do not launch a VNC server: `qemu-system-i386 -hda {{image_name.img}} -m {{4096}} -nographic` - Exit non-graphical QEMU: `` - List the supported machine types: `qemu-system-x86_64 {{[-M|-machine]}} help`