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Let's briefly summarize what we discussed in previous lectures, Frost every protest discuss three different

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data streams, a study in a study out and a study error.

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The study is in the common data stream.

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A study out and a study error are two different old in data streams from every process by default.

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When you start a specific process inside of the shell, like a shell or best shell or CHL, those are

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outgoing flows.

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A study out and as to the error will be shown directly on your screen.

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But you are able to redirect those data flows to files and you could even use different files for a

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study out.

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And as to the error, some processes also accept some text via a study in an example of such process

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is cut.

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Next, you are able to concatenate different processes and send data from a study out from one process

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to the end of next Protus using by operator.

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And you could pipe multiple processes one by one.

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That's all for those lectures.

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And next.

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Let's move to next subsection where we will talk about defiles management and I'll explain you how to

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create your files.

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Folder shows how to edit content or files and so on.

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I'll see you guys in the next section.

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Bye bye.