Ling has the concept of hypercalls, as if you were running plain Linux on xen. So, it's less an actual unikernel and more like a skin that molds itself to xen,

Ling has the concept of hypercalls, as if you were running plain Linux on xen. So, it's less an actual unikernel and more like a skin that molds itself to xen, and looks like a unikernel. So yes. But no.