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тАО04-26-2005 12:39 AM
тАО04-26-2005 12:39 AM
Re: VMS versus UNIX
Also : DEC did bad marketing 15 years ago.
Make that: DEC (and follow-ons) dir that for the _DURATION_ of (at least) 15 years,
and I fully agree!
Proost.
Have one on me.
jpe
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тАО04-26-2005 01:22 AM
тАО04-26-2005 01:22 AM
Re: VMS versus UNIX
Wim
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тАО04-26-2005 02:14 AM
тАО04-26-2005 02:14 AM
Re: VMS versus UNIX
Unix is a lot faster
25 years ago I worked with a OS specific to Real Time applications (MPX-32). Yes it was a very fast OS, but controls over operations were very bad, if you defined in FORTRAN 77 an array IEX(3) and index had a non valid value (index=-32767) when you intended assign value of array IEX(-32767) then system crashed.
Yes, very faster but very bad mistakes or errors control.
Saludos.
Daniel
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тАО04-26-2005 04:24 AM
тАО04-26-2005 04:24 AM
Re: VMS versus UNIX
Only if carefully written otherwise porting from one version of unix to another version of unix can be a lot of work.
The mistaken attitude is that unix is not propritary. Most unixes belong to somebody and they are all different but have the same flaws.
You get a system running on one unix flavour and theoretically you can move it but in practice its a lot of work.
I guess the answer is market perception - where are VMS Marketing? VMS is complient with more standards than a lot of unixes (posix etc) but nobody notices.
Purely Personal Opinion
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тАО04-26-2005 04:42 AM
тАО04-26-2005 04:42 AM
Re: VMS versus UNIX
.. but have the same flaws ..
If THAT were true, things would be easy in *UX land!
No, they all have DIFFERENT flaws (only mostly the same TYPE of flaws), so you have to adapt separately to each different one.
Proost.
Have one on me.
jpe
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тАО04-26-2005 08:08 PM
тАО04-26-2005 08:08 PM
Re: VMS versus UNIX
Add these causes:
No checks on privilege, protection, security, buffer/stack/data area overflow, invalid concurrency (locks), OS/system health oin evry level. No real error control.
(well, some may have improved but in my yougre days these were certainly true)
Willem
OpenVMS Developer & System Manager
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