:: Re: [DNG] Vdev [ was Re: if2mac ini…
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Autor: Hendrik Boom
Datum:  
To: dng
Betreff: Re: [DNG] Vdev [ was Re: if2mac init.d service for persistent network interface names]
On Sat, Dec 26, 2020 at 07:04:51PM +0100, Didier Kryn wrote:
> Le 25/12/2020 à 18:18, Hendrik Boom a écrit :
> >>> Hearing this thread's perplexity, I long for the days of mknod.
> >> But that wouldn't have helped with the network interfaces, because (in
> >> an un-Unixy way) their names have never been file names on the systems
> >> we're discussing now.
> > I wonder why. Historical accident? Or some deep technical reason?
>
>     I guess it's historical: historically there was only character
> devices and block devices, and no provision for other categories, and
> maybe no provision in the bitfields which qualify the associated special
> files.


That makes sense. Thank you.

>
>    These device special files are used in particular to write to and
> read from and I think nobody wants this to happen with network devices.
> AFAIU, there are a lot of devices which don't show up in /dev, like all
> the intermediate devices, the ones which handle USB, SCSI, SATA, PCI.
>
> --         Didier
>
>
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