It's not a machine, exactly; it's not an OS in the way you are used to thinking of it. It's a library you link against, which gives you a single, statically lin

It's not a machine, exactly; it's not an OS in the way you are used to thinking of it. It's a library you link against, which gives you a single, statically linked, bootable image, which you can then launch inside a VM. There is no shell, unless your application includes one; there is no filesystem, unless your application implements one; there are no other processes, unless your application chooses to manage them.