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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.lang.c
Subject: Re: xxd -i vs DIY Was: C23 thoughts and opinions
Date: Tue, 4 Jun 2024 02:07:01 -0000 (UTC)
Organization: A noiseless patient Spider
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On Mon, 3 Jun 2024 11:02:48 +0300, Michael S wrote:

> On Mon, 3 Jun 2024 03:15:27 -0000 (UTC)
> Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> 
>> Linux has containers, which are based entirely on namespace isolation
>> (and cgroups for process management). These are all standard kernel
>> mechanisms, so there should be very little overhead in using them.
> 
> The word "container" has many meanings.
> As far as host FS is concerned, guest FS is a one huge file.

That may be true for Docker, certainly not (necessarily) true for the 
others I mentioned.