Introduction to IBM system/360 direct access storage devices and organization methods
Subtitle: (student text).
Publisher: IBM
Published: 1966
Place of publication: Endicott, N.Y
Language: eng
Number of pages: 70
Description: This text discusses the physical characteristics and capacities of the following Direct Access Storage Devices available for System/360 Models 25, 30, 44, 50, 65, 67, 75, and 85:
2301 Drum Storage;
2302 Disk Storage;
2303 Drum Storage;
2311 Disk Storage Drive;
2314 Direct Access Storage Facility;
2321 Data Cell Drive
The file organization methods and access methods provided for these devices by the IBM System/360 Operating System, the IBM System/360 Disk Operating System, and the IBM System/360 Basic Operating system are also discussed.  The uses of direct access storage, basic terminology, and the establishment of controls for a direct access system are other topics addressed by this text.  Most of the chapters end with student exercises answers to which may be found at the end of the manual.