Mainframes Definitions

  • I

    ISO 9000

    (For the business server line from Hewlett-Packard, see HP 9000.) ISO 9000 is a series of standards, developed and published by the International Organization for Standardization (ISO), that define, establish, and maintain an effective quality assurance system for manufacturing and service industries.

  • ISPF (Interactive System Productivity Facility)

    ISPF (Interactive System Productivity Facility) is the user interface and supporting programs that come with IBM's OS/390 operating system and that allow a company to configure and manage its system, add new system or application programs and test them...

  • J

    JCL (job control language)

    JCL (job control language) is a language for describing jobs (units of work) to the MVS, OS/390, and VSE operating systems, which run on IBM's S/390 large server (mainframe) computers.

  • job

    In certain computer operating systems, a job is the unit of work that a computer operator gives to the operating system.

  • job scheduler

    A job scheduler is a program that enables an enterprise to schedule and, in some cases, monitor computer 'batch' jobs (units of work, such as the running of a payroll program).

  • O

    OLTP (online transaction processing)

    OLTP (online transaction processing) is a class of software programs capable of supporting transaction-oriented applications on the Internet.

  • R

    Resource Access Control Facility (RACF)

    RACF (Resource Access Control Facility) is the IBM security management product for its mainframe (large server) operating system, OS/390 (MVS) as well as for its VM operating system.

  • Restriction of Hazardous Substances Directive (RoHS Directive)

    The Restriction of Hazardous Substances (RoHS) Directive is a set of criteria formulated by the European Union (EU) to regulate the use of toxic materials in electrical and electronic devices, systems, and toys... (Continued)

  • Rexx

    Rexx is an interpreted script language developed by IBM originally for use by personal users of large operating systems.

  • S

    S/390

    S/390 is IBM's large server (or mainframe) line of computer systems, which are marketed to the world's Fortune 1000 and many mid-size companies as a "tried-and-true" system with a history that stretches back to the System/360 of the early 1960s.

  • scalability

    It is the ability of a computer application or product (hardware or software) to continue to function well as it (or its context) is changed in size or volume in order to meet a user need.

  • screen scraping

    Screen scraping is programming that translates between legacy application programs (written to communicate with now generally obsolete input/output devices and user interfaces) and new user interfaces so that the logic and data associated with the legacy programs can continue to be used.

  • T

    Teraplex (Teraplex Integration Center)

    Teraplex (short for Teraplex Integration Center) is the name IBM has given to its 'real life' testing centers whose purpose is to allow IBM customers and business partners to test very large database (VLDB) applications on a full-scale basis by using...

  • U

    U (measurement)

    A U is a standard unit of measure for designating the height in computer enclosures and rack cabinets.

  • V

    VSAM (Virtual Storage Access Method )

    VSAM (Virtual Storage Access Method ) is a file management system for IBM's larger operating systems, including its primary mainframe operating system, MVS, now called OS/390. (...Continued)

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