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Why Linux not a RTOS?

Posted on 2003-02-25
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Last Modified: 2010-04-20
Dear All,
  Hai to all. I want to know the answer for this.

-Why Linux fails as a RTOS?

Those who know the answer, please reply. Thanks
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Question by:paventhan
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5 Comments
 
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Expert Comment

by:msako
ID: 8016097
It does not fail.  Check out:

http://www.fsmlabs.com/community/
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LVL 1

Expert Comment

by:arn0ld
ID: 8029771
*nix architecture is not real-time; it is queued, "best effort", pre-emptible. Real time is time-sliced, time budgeted,

Consider the computer on your unmanned mars-lander arriving at its destination. At precisely 3,000 meters above the surface of mars, it fires its retro rockets following the thrust profile, millisecond by millisecond. At precisely 1.1 meters above the surface it powers off the rockets.
There is essentially 0 time tolerance.

Ordinary *nix can not do this. I guess that fsmlabs has added hooks for high runtime priority, non-preemtible tasks and higher rate timing.
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Expert Comment

by:CleanupPing
ID: 9087869
paventhan:
This old question needs to be finalized -- accept an answer, split points, or get a refund.  For information on your options, please click here-> http:/help/closing.jsp#1 
EXPERTS:
Post your closing recommendations!  No comment means you don't care.
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by:paullamhkg
ID: 9259946
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is to:

Be PAQ'd/Points No Refunded

Please leave any comments here within the next seven days.

PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

Paul
EE Cleanup Volunteer
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Accepted Solution

by:
RomMod earned 0 total points
ID: 9325439
Finalized per recommendation.

RomMod
Community Support Moderator
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