Re: [9fans] 1st and 2nd edition ISOs at p9f.org/dl are defective

[Charles Forsyth <charles.forsyth@gmail.com>]

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The 8+3 restriction is related to that. As often now, Wikipedia supplies
more detail. Apparently High Sierra was the basis for the original format,
not an extension: I was of course confusing it with Rock Ridge.

On Mon, May 24, 2021 at 11:26 PM Charles Forsyth <charles.forsyth@gmail.com>
wrote:

> I don't know the answer to the following question, which is why I ask it:
> does that happen if you use 9660srv
> under Plan 9 (-ish) to access those images? (Perhaps you already are, but
> it would still be useful to know.)
> It's quite a long time ago, but as I recall early CD formats took a
> literal view of permissions: "I'm on a read-only medium,
> otherwise you'd be using the later and probably incompatible standard for
> RW optical, so all my file system permissions are "read".
> Later people took advantage of having umptieen parallel trees in there in
> different formats (Joliet for MS, High Sierra for UNIX-ish)
> and Plan 9 added its own. I think those early CDs relied on that. Later
> ones added parallel structures in both Joliet and High Sierra
> format so you could get more accurate meta-date out of the CDs when
> mounted on Windows or SunOS.
>
>
> On Mon, May 24, 2021 at 10:46 PM Anonymous AWK fan via 9fans <
> 9fans@9fans.net> wrote:
>
>> All file names are lower case (this makes some files inaccessible,
>> because there are sometimes multiple files with the same name) and the
>> modes, owners and groups are all --r--r--r-- (d-r-xr-xr-x for
>> directories), cdrom and iso, respectively.
>> 
>> Anonymous AWK fan
>> 
>> --
>> Mailfence.com
>> Private and secure email

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