> icing on the cake: "no boot mode" that fires up a shell prompt in <2s, e.g. based on starting an OS instance that had a snapshot taken _after_ booting up, Th

> icing on the cake: "no boot mode" that fires up a shell prompt in <2s, e.g. based on starting an OS instance that had a snapshot taken _after_ booting up, That might not be needed - if you're just booting from off to a shell (no GUI, no daemons), on known/static hardware, you can probably just... actually boot in <2s. Consider ex. https://jvns.ca/blog/2021/01/23/firecracker--start-a-vm-in-less-than-a-second/ https://jvns.ca/blog/2021/01/23/firecracker--start-a-vm-in-l... - I can't see where a VM is inherently doing anything real hardware can't.