Mainframe operating systems and management

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  • Mainframe modernization: How to lower TCO with the latest tactics

    This expert e-book explores some of the biggest the changes to mainframes in the past 10 years. Discover how your organization can lower TCO and achieve other benefits by moving workloads to the mainframe, and learn about the latest strategies for ma... 

  • Guide to converting mainframe applications to Web services

    Enterprises that convert their mission-critical mainframe applications into Web services can reduce maintenance costs and ensure an easier upgrade to other new technologies. In chapter one of the Modern Mainframe Management Challenges e-book, learn h... 

  • Modern Mainframe Management Challenges

    Discover how your organization can implement the mainframe component of a service-oriented architecture. Inside, you’ll learn key tactics to incorporate into your mainframe management strategy, including how to convert mainframe applications into web... 

  • Making the most of mainframe virtualization capabilities

    This expert e-book explains how virtualization and cloud computing can offset the higher costs of implementing mainframes. Explore mainframe virtualization as well as learn about the three cloud types and their pros and cons. 

  • Meeting modern security and disaster recovery challenges with the mainframe

    This expert e-book explains how the mainframe can help mitigate some of the security challenges posed by the cloud. Access a checklist for developing your defense strategy and learn how to minimize business risk in the event of a disaster. 

  • OLTP (online transaction processing)

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

  • 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. 

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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.