Task Control Block

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Task Control Block

(architecture)
An MVS control block used to communicate information about tasks within an address space that are connected to an MVS subsystem such as MQSeries for MVS/ESA or CICS.

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This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
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The "import" software reads the Process Control Block to determine where (DOS path) to put the imported (mission data file) file and what filename to give it.
The message header, RI/PLA list, Process Control Block and message trailer contain a lot of information that rarely changes; therefore, we have these files prebuilt and ready to insert into the SFF file.
From our hands to theirs

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