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An early public use of the acronym DASD is in IBM's March 1966 manual, "Data File Handbook. [7]" The earliest non-IBM use of the acronym DASD found by the "Google ngram viewer" to refer to storage devices dates from 1968. [8] From then on use of the term grew exponentially until 1990 after which its usage declined substantially. [9]
It was also difficult to move ISAM data sets as there were embedded pointers to physical disk locations which became invalid if the data set was moved. IBM also provided a compatibility interface to allow programs coded to use ISAM to use a KSDS instead. The RRDS organization was designed to replace BDAM, the Basic Direct Access Method. In some ...
The Job Entry Subsystem (JES) is a component of IBM's MVS (MVS/370 through z/OS) mainframe operating systems that is responsible for managing batch workloads. In modern times, there are two distinct implementations of the Job Entry System called JES2 and JES3.
IBM Communications Server – Provides Virtual Telecommunications Access Method (VTAM) and TCP/IP communications protocols An additional benefit of the OS/390 packaging concept was to improve reliability, availability and serviceability (RAS) for the operating system, as the number of different combinations of elements that a customer could ...
IBM System Storage TS7650G ProtecTIER Deduplication Gateway – Designed to meet the disk-based data protection needs of the enterprise data center while reducing costs. The system offers inline deduplication performance and scalability up to 1 petabyte (PB) of physical storage capacity per system that can provide up to 25 PB or more backup ...
The IBM Information Management System (IMS) is a joint hierarchical database and information management system that supports transaction processing. [1] Development began in 1966 to keep track of the bill of materials for the Saturn V rocket of the Apollo program, and the first version on the IBM System/360 Model 65 was completed in 1967 as ICS/DL/I and officially installed in August 1968.
IBM MaaS360 is a SaaS Unified Endpoint Management (UEM) solution offered by IBM that manages and protects any existing endpoint including laptops, desktops, mobile devices and apps, wearables, IoT and purpose built devices and allow protected, low risk access to company resources.
IBM stencil for HIPO. HIPO model ( hierarchical input process output model ) is a systems analysis design aid and documentation technique from the 1970s, [ 1 ] used for representing the modules of a system as a hierarchy and for documenting each module.
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