Unix-style fork is not available in windows.  The CreateProcess code in the 
Windows task script from Oleg Kobchenko tries to emulate some of the fork 
processing.  Ironically, his emulation was too good, in a way.  I have seen 
Linux examples of equally painful problems trying to sort out which 
task/process 
owns which files/streams after a fork.

On 1/11/2012 14:48, Raul Miller wrote:
> Note that "fork" is an alien concept, under windows.  (And I do not
> really understand how it works there.)  And I expect that this issue
> is "windows only".
>
> That said, I would not be surprised if what you are illustrating here
> were to cause J to crash, under different circumstances.
>
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