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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.vms
Subject: Re: Porting VMS versus building a new spacecraft
Date: Fri, 7 Jun 2024 23:50:57 -0000 (UTC)
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On Fri, 7 Jun 2024 22:30:24 +0930, Mark Daniel wrote:

>> It occurred to me yesterday that Elon Musk has been able to build and
>> successfully fly (mostly) a new rocket and spacecraft in less time than
>> it has taken to port VMS to x86-64. :-)
> 
> A distinct advantage of not having to maintain backward compatibility.

It could have been done in less time, by building on top of another OS 
that was already native to the new architecture.