btw, user processes supervision is a task of an OS kernel, which it handles via a bunch of specialized syscalls, not of some "man-in-the-middle" user-level daemons.
I'm pretty sure /sbin/init runs in userspace even on *BSDs and Solaris, and does process supervision.
I'm pretty sure /sbin/init runs in userspace even on *BSDs and Solaris, and does process supervision.