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I was asked that question and to be honest not sure if I understood that. I would say shell but instead of shell we can run any other program so ...

any idea by unix gurus?

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closed as not a real question by Dave Cheney, Chopper3, splattne Mar 3 '10 at 10:51

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

up vote 2 down vote accepted

It must be

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sounds good to me ... – Radek Mar 3 '10 at 10:14

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