clone the git repository from https://pdos.csail.mit.edu/6.828/2018/jos.git, put it into ~/6.828/lab
cd lab, and then make. After that, make qemu.
clone the git repository from https://pdos.csail.mit.edu/6.828/2018/jos.git, put it into ~/6.828/lab
cd lab, and then make. After that, make qemu.