Mainframe operating systems and management

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  • zAware

    zAware is a mainframe monitor for IBM’s zEnterprise EC12 mainframe server. 

  • Basic Assembler Language (BAL)

    BAL (Basic Assembler Language) is a version of IBM's assembler language (sometimes called assembly language) for its System/360 and System/370 mainframe operating system. 

  • data center infrastructure efficiency (DCIE)

    Data center infrastructure efficiency (DCIE) is a metric used to determine the energy efficiency of a data center. The metric, which is expressed as a percentage, is calculated by dividing IT equipment power by total facility power. (Continued...) 

  • z/OS

    z/OS is the computer operating system for IBM's zSeries 900 (z900) line of large (mainframe) servers. 

  • 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. 

  • P/390

    The P/390 is basically an IBM mainframe system adapted to run on a personal computer. 

  • OS/390

    OS/390 is the IBM operating system most commonly installed on its S/390 line of mainframe server. 

  • data center chiller

    A data center chiller is a cooling system used in a data center to remove heat from one element and deposit it into another element. Chillers are used by industrial facilities to cool the water used in their heating, ventilation and air-conditioning ... 

  • U

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

  • IMS (Information Management System)

    IMS (Information Management System) is a database and transaction management system that was first introduced by IBM in 1968. Since then, IMS has gone through many changes in adapting to new programming tools and environments. 

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About Mainframe operating systems and management

Mainframe systems management tutorials for mainframe operators, including CICS, z/OS, COBOL tips and more.