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Correct. Just like unix. If something crashes, there is a serious problem. Restarting it blindly is typically going to do more harm than good (allowing the attacker who crashed it infinite chances to keep trying to exploit the bug rather than just crash the process). When something crashes, you fix it, you don't just restart it and pretend that is supposed to happen.

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> If something crashes, there is a serious problem

Sometimes yes, sometimes no. Providing the system owner the ability to make that decision is a feature.

The plan 9 team do not consider it a feature. Hence it does not exist.

Yes, but this should never be the default. If something crashed, it's often a sign of an underlying problem that should be solved. Programs crash for a reason.

I've seen many "Windows import" sysadmins who think it's perfectly natural to reboot a server because something is not working. It's not. Automatic restart of crashed processes should be the exception (as in "we need to keep the reactor core cool") rather than the norm.

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