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Screen a running process

Is it possible to move a process from one shell to another? Ex: I have launched a process in some shell, and I decide I'd like to move it to my GNU screen session. Is that possible?

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closed as exact duplicate by Doug Harris, quack quixote May 7 '10 at 22:28

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No. You cannot reparent a process except by killing its parent, at which point it becomes a child of init.

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Is there any reason for that? – Peltier May 3 '10 at 15:36
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It just isn't a supported operation in POSIX. – Ignacio Vazquez-Abrams May 3 '10 at 15:41
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