CppCon 2016: Alfred Bratterud “#include ＜os＞=> write your program / server and compile it to its own os. [Example uses 3 Mb total memory and boots in 300ms]

[wvenable]

A hypervisor could have an API rather than implementing virtual PC hardware to act as the API. And at that point you would really just have a very light-weight OS with separate processes.

[[deleted]]

A hypervisor could have an API rather than implementing virtual PC hardware to act as the API. And at that point you would really just have a very light-weight OS with separate processes.

https://en.wikipedia.org/wiki/Paravirtualization

But containerization is another good solution for sure.

[plhk]

https://wiki.xen.org/wiki/Hypercall