Nowadays there is also more and more nothing shared besides the kernel. Look at technologies like electron, docker, flatpak, etc. Similar to multiuser: Securit

Nowadays there is also more and more nothing shared besides the kernel. Look at technologies like electron, docker, flatpak, etc. Similar to multiuser: Security is important, but as applications get more and more powerful it is not about what individual users can and can't do, but what each application can and can't do.