File build/qemu/run from the latest check-in

#! /usr/bin/env bash

sudo chown $(id -u) /dev/kvm
qemu-system-x86_64  \
	-display none -vga none -serial stdio \
	-m 2048 -enable-kvm -cpu host -smp 2 \
	-net nic -net user \
	-drive file=appfs.img,if=virtio,format=raw