March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
Content preview from Introduction to the New Mainframe: z/VSE Basics
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Chapter 7. Batch processing and VSE/POWER 187
Spooling is the means by which the system manipulates its work, including:
Using storage on
direct access storage devices (DASD) as buffer storage to
reduce processing delays when transferring data between peripheral
equipment and a program to be run
Reading and writing input and output streams on an intermediate device for
later processing or output
Performing an operation such as printing while the computer is busy with
other work
There are two sorts of spooling: input and output. Both improve the performance
of the program reading the input and writing the output. Both are done
automatically by VSE/POWER.
Later, when the program is executed and asks to read this data, VSE/POWER
picks up the ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.