[Info-vax] Whither VMS?
Bill Gunshannon
billg999 at cs.uofs.edu
Tue Sep 15 12:07:58 EDT 2009
In article <CzBBRcR308Gv at eisner.encompasserve.org>,
koehler at eisner.nospam.encompasserve.org (Bob Koehler) writes:
> In article <7h7bcqF2s72n0U14 at mid.individual.net>, Bob Eager <rde42 at spamcop.net> writes:
>>
>> You fall into the trap of thinking that all 'UNIX' is UNIX. Which
>> particular UNIX were you thinking of?
>
> "UNIX is the portable operating system that's different on
> every platform." I'm sure someone will claim to know who said
> that first.
I have always prefered:
"Those who do not understand Unix are condemned to reinvent it, poorly"
Henry Spencer
As has been adequately demonstrated by Linux.
>
> However, 16 bit and 32 bit UNIX are two mode OS with the habit of
> forking all over the place. These are just two examples of kernel
> design that haven't changed since the late 60s, when such were popular
> in timesharing OS design.
>
>> Lots has changed - more than VMS has. I would dispute the kernel and file
>> system statements, for a start.
>
> UNIX file system internals have been re-implemented for a large number
> of reasons that the end user can't see. Externals remain the same, as
> does the on-size-fits-all file-as-a-stream-of-bytes.
>
> VMS, on the other hand, has changed file name sizes from 9.3 to just
> about any length, from uppercase storing case insensitive to case
> preserving with a choice between case sensitive and case insensitive,
Interesting how the first two improvements to VMS you chose to present
have been standard on Unix all along. :-)
bill
--
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
billg999 at cs.scranton.edu | and a sheep voting on what's for dinner.
University of Scranton |
Scranton, Pennsylvania | #include <std.disclaimer.h>
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