[TUHS] SCO's "evidence" (was: RIP Darl McBride former CEO of SCO)

[ron minnich]

I keep wondering if this assertion of code difference or lack thereof can
be tested. Are not all these sources available? Which bits are missing?

On Tue, Nov 5, 2024 at 9:55 AM Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote:

>     > From: Warner Losh
>
>     >> On Mon, Nov 4, 2024 at 8:14PM Larry McVoy wrote:
>
>     >> The bmap implementations I saw were bit for bit identical, same
> code,
>     >> same variables, same style, same indentation. I'm 100% sure they
> were
>     >> not independent.
>
>     > They are different in 4.3BSD. They are different in 4.2BSD (but less
>     > different). The underlying filesystems are different on disk, so they
>     > routines have to be different.
>
> That last sentence points out something important that people need to
> remember
> in this discussion: in between 4.1 and 4.2 (technically, in 4.1B), BSD
> switched to the BSD Fast File System, so I very much doubt that the
> low-level
> (i.e. logical file block to disk block) file system code in anything after
> 4.1A looks much like the AT+T low-level file system code. (I have no idea
> how
> the BSD code compares to the Linux file system code, but that's between the
> Linux people, and Berkeley.)
>
>         Noel
>
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