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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.vms
Subject: Re: VMWARE/ESXi Linux
Date: Tue, 3 Dec 2024 04:57:19 -0000 (UTC)
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On Tue, 3 Dec 2024 03:09:15 -0000 (UTC), Waldek Hebisch wrote:

> From what you wrote seem that ESXi is more similar to Xen than to
> KVM+qemu, that is ESXi and Xen discourage running unvirtualized programs
> while in KVM+qemu some (frequently most) programs is running
> unvirtualized and only rest is virtualized.

I think that dates back to the old distinction between “type 1” and “type 
2“ hypervisors. It’s an obsolete distinction nowadays.

And don’t forget there are other options besides full virtualization. For 
example, Linux offers “container” technologies of various sorts, where 
multiple userlands run under the same kernel.