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Groups > linux.debian.user > #212897

Re: Why do UID values of system users matter?

From Dan Hitt <dan.hitt@gmail.com>
Newsgroups linux.debian.user
Subject Re: Why do UID values of system users matter?
Date 2019-08-17 00:20 +0200
Message-ID <yvSJH-Vj-9@gated-at.bofh.it> (permalink)
References <yvRXj-mJ-9@gated-at.bofh.it>
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On Fri, Aug 16, 2019 at 2:28 PM Steffen Dettmer <steffen.dettmer@gmail.com>
wrote:

> Hi,
>
> just for my curiosity I wonder why the numeric UID values matter at all,
> for example:
>
>
> I believe file ownership is tracked by numeric UID rather than user name.

So, for example, if you multi-boot, a file owned by user 500 in one system
will be owned by user 500 on every other system, even if it does not
correspond to the same user name.

That's been my experience anyway, and an occasional issue.

dan

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Thread

Why do UID values of system users matter? Steffen Dettmer <steffen.dettmer@gmail.com> - 2019-08-16 23:30 +0200
  Re: Why do UID values of system users matter? Dan Hitt <dan.hitt@gmail.com> - 2019-08-17 00:20 +0200
  Re: Why do UID values of system users matter? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-08-17 00:30 +0200
    Re: Why do UID values of system users matter? Steffen Dettmer <steffen.dettmer@gmail.com> - 2019-08-17 04:20 +0200
      Re: Why do UID values of system users matter? Kenneth Parker <sea7kenp@gmail.com> - 2019-08-17 05:10 +0200
        Re: Why do UID values of system users matter? Greg Wooledge <wooledg@eeg.ccf.org> - 2019-08-19 15:20 +0200
          Re: Why do UID values of system users matter? David Wright <deblis@lionunicorn.co.uk> - 2019-08-19 20:00 +0200
      Re: Why do UID values of system users matter? David Wright <deblis@lionunicorn.co.uk> - 2019-08-17 06:50 +0200
        Re: Why do UID values of system users matter? Greg Wooledge <wooledg@eeg.ccf.org> - 2019-08-19 15:30 +0200
          Re: Why do UID values of system users matter? David Wright <deblis@lionunicorn.co.uk> - 2019-08-19 19:30 +0200
      Re: Why do UID values of system users matter? <tomas@tuxteam.de> - 2019-08-17 10:20 +0200
  Re: Why do UID values of system users matter? David Wright <deblis@lionunicorn.co.uk> - 2019-08-17 06:10 +0200

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