GC26-3746-1_OS_Data_Management_Services_Guide_Rel_21_Feb72.pdf | | File Number S360-30
Order Number GC26-3746-1
Systems Reference Library
OS Data Management Services Guide
Release 21
This book describes the services provided by the operating system
to allow the programmer to organize data into data sets on auxiliary
storage devices, to read. information from these data sets into main
storage, and, after processing the information, to record it on
auxiliary storage devices.
This book is intended for application programmers who write
assembler-language programs that create and process data sets. It
describes the assembler-language macro instructions used to request
input and output operations. The format of the macro instructions
is explained in as Data Management Macro Instructions,
GC26-3794, which should be used with this book.
In addition to describing the characteristics of data sets and
direct-access storage devices, the book describes the techniques you
can use to process seq |