RISC/OS, IRIX

From: Dan Wright <dtwright_at_uiuc.edu>
Date: Mon Feb 11 11:28:23 2002

Chris,

Just out of curiosity, does this indicate that the tapes I gave you actually
work? ;-)

Christopher Smith said:
> Hi everybody.
>
> I have a curiosity which I hope to satisfy with this question,
> and I hope that somebody knowledgeable with the history of
> Silicon Graphics or MIPS can help me out here.
>
> On working with the MIPS RISComputers that I have (one in full
> working order -- no drive light yet -- with three more and a
> drive light to follow), it occurs to me that the entire feel of
> the machine is astoundingly close to that of an SGI.
>
> To give some examples:
>
> The boot monitor is somewhat close -- using the same or similar
> commands, and the same or similar naming scheme for devices.
>
> The install script for RISC/OS and SGIs 'inst' are similar in
> ways. The FROM environment variable in the RISC/OS installer,
> and the 'from' command in inst, as an example.
>
> Directory structure is very close, and the configuration files
> seem to be in very similar locations -- by this, I mean more so
> than is normal between different unix systems.
>
> "The System is Coming Up" (Yes, this message is in the default
> install for both systems)
>
> These are all just superficial things, but they lead me to
> guess that there was a large amount of heritage from RISC/OS to
> modern IRIX. I assume this would have shown up around IRIX 2.0
> (was 1.0 the IRIS 2000/3000 version?)
>
> Does anyone know whether I've come to the wrong conclusion?
>
> Does anyone know how deep the resemblance goes? I would be
> tempted to try a RISC/OS binary on an IRIX system at some
> point.
>
> In short, is anyone familiar enough with Silicon Graphics and/
> or MIPS to explain this?
>
> Regards,
>
> Chris
>
> Christopher Smith, Perl Developer
> Amdocs - Champaign, IL
>
> /usr/bin/perl -e '
> print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
> '
>
- Dan Wright
(dtwright_at_uiuc.edu)
(http://www.uiuc.edu/~dtwright)

-] ------------------------------ [-] -------------------------------- [-
``Weave a circle round him thrice, / And close your eyes with holy dread,
  For he on honeydew hath fed, / and drunk the milk of Paradise.''
       Samuel Taylor Coleridge, Kubla Khan
Received on Mon Feb 11 2002 - 11:28:23 GMT

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