Working with files
 
Objective: In working with the IBM z/VSE operating system (OS), you must understand how to work with its files. On IBM mainframe computers, files were initially (and mostly still are) referred to as data sets. These files can contain programs or data. The characteristics of traditional z/VSE files differ considerably from the file systems used in UNIX and personal computer (PC) systems.
After completing this chapter, you will be able to provide the following information:
Explain what a data set is.
Describe file naming ...

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