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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.lang.c
Subject: Re: xxd -i vs DIY Was: C23 thoughts and opinions
Date: Mon, 3 Jun 2024 11:02:48 +0300
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On Mon, 3 Jun 2024 03:15:27 -0000 (UTC)
Lawrence D'Oliveiro <ldo@nz.invalid> wrote:

> On Thu, 30 May 2024 00:40:07 -0400, Paul wrote:
>=20
> > WSL uses containers, so of course it is slow. =20
>=20
> WSL1 had a Linux =E2=80=9Cpersonality=E2=80=9D on top of the NT kernel. S=
o this was=20
> emulation, not containers.
>=20
> WSL2 uses Hyper-V to run Linux inside a VM. Again, not containers.
>=20
> 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. Despite
very different tech under the hood it equally applies both to WSL and
to WSL-2. Calling this file 'container' sounds like proper use of the
term.