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Solution Library
Description of IBM Enterprise Concepts
Question
Given the following IBM Enterprise Concepts
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IBM Enterprise Concepts |
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Concept |
Description |
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JES |
JES manages the priority of the set of jobs and their associated input data and output results. The initiator uses the statements on the JCL,Job control language(language of z/OS) cards to specify the resources required of each individual job once it has been released (dispatched) by JES. |
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LPAR |
A logical partition (LPAR) is the division of a computer's processor s, memory , and storageinto multiple sets of resources so that each set of resources can be operated independently with its own operating system instance and application s. The number of logical partitions that can be created depends on the system's processor model and resources available. |
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VTOC |
z/OS® uses a catalog and a volume table of contents (VTOC) on each DASD to manage the storage and placement of data sets. z/OS requires a particular format for disks, which is shown in Figure 1. Record 1 on the first track of the first cylinder provides the label for the disk. It contains the 6-character volume serial (volser) number and a pointer to the volume table of contents (VTOC), which can be located anywhere on the disk.
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DASD |
A direct-access storage device (DASD) pronounced /ˈdæzdiË/) is a secondary storage device in which "each physical record has a discrete location and a unique address."[1]IBM developed DASDs for use with mainframe computers and some minicomputers. Disk drives, magnetic drums, data cells and optical disc drives are all classified as DASDs |
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Data Set |
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JCL |
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Sysplex |
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Catalog |
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CICS |
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REXX |
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ISPF |
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TSO |
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3270 Terminal |
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Summary
This question belongs to computer programming and discusses about the given IBM Enterprise Concepts like JES, LPAR, CICS, REXX, TSO, VTOC, etc,.
Total word count: 672
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