January 2018
Intermediate to advanced
169 pages
5h 18m
English
Content preview from ABCs of IBM z/OS System Programming Volume 3
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Data set basics
A data set is a collection of logically related data. It can be a source program, a library of macros, or a file of data records used by a processing program. Data records (also called logical records) are the basic unit of information used by a processing program. This chapter introduces you to the data set types available for use on z/OS, the devices they can be allocated onto, and their characteristics.
By placing your data into volumes of organized data sets, you can save and process the data efficiently. You can also print ...