book

Modern Mainframe Development

by Tom Taulli

March 2022

Intermediate to advanced

348 pages

8h 37m

English

O'Reilly Media, Inc.

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What’s CoveredWho Is This Book For?The Approach to This BookConventions Used in This BookUsing Code ExamplesO’Reilly Online LearningHow to Contact UsAcknowledgments
Fear of DisruptionSoftware Is Eating the WorldCOVID-19Government ModernizationFuture of Mainframe DevelopmentCareer OpportunitiesConclusion
What Does “Mainframe” Mean Anyway?A Brief HistoryWhat Are Punch Cards?Growth of the MainframeMainframe InnovationThe TerminalMainframe ChallengesWhy Have a Mainframe?The OSz/VSEz/TPFz/VMLinuxKVMProcessor ArchitectureLPARDisksBatch and Online Transaction ProcessingMainframe TrendsThe Mainframe “Shop”Conclusion
Accessing a MainframeTSOISPFDatasetsMain Types of DatasetsSequential FilePartitioned DatasetVirtual Storage Access MethodCatalogsISPF and DatasetsCreating a File with ISPFSystem Display and Search FacilityJob Control LanguageUnix System ServicesMainframe ToolsModern IDEsIBM Developer for z/OSBMC Compuware Topaz WorkbenchChe4zVisual Studio CodeStandardizing on Visual StudioSimple IDEsWeb-Based EditorsDevelopment ProcessConclusion
COBOL’s Background, in BriefCOBOL VersionsWhy Use COBOL?COBOL Program Structure: ColumnsCOBOL Program Structure: DivisionsIDENTIFICATION DIVISIONENVIRONMENT DIVISIONDATA DIVISIONPROCEDURE DIVISIONConclusion
Records and FilesSequential FileFile ErrorsWRITE to a FileJCL for File-Handling ProgramsInventory Update ProgramFile with Multiple RecordsVariable-Length RecordsIndexed FilesUpdating an Indexed FileVSAM FilesConclusion
Introduction to TablesTables and Reading FilesMultilevel TablesIndexesSearching a TableBinary SearchReportsThe PROCEDURE DIVISION for ReportsTesting a ReportReporting ToolsWorking with Characters and StringsSTRINGUNSTRINGINSPECTConclusion
What Language to Use?Assembler LanguageMemoryRegistersBase Displacement AddressingSample Assembler Language CodeJavaC and C++PL/ICLIST and REXXREXX VariablesREXX ComparisonsControl StructuresCalling FunctionsArraysObject-Oriented COBOLProgramming TechniquesCopy MemberSubprogramsConclusion

Information Management SystemIMS Database ManagerIMS Transaction ManagerIMS Services and ToolsIMS Programming LanguageDb2 and the Relational DatabaseBenefits of Relational DatabasesUsing Db2Structured Query LanguageJoinsDatabase AdministratorApplication Development with Db2Db2 EcosystemCustomer Information Control SystemWorking with the CICS PlatformProgramming in CICSConclusion
Advantages of DevOpsWaterfall Method ModelAgile MethodScrumKanbanLeanAgile: It’s Not All About SpeedMainframes and the Challenges for DevOpsDevOps Best PracticesConfiguration ManagementIssues with DevOpsMetricsMainframe DevOps ToolingAutomationCI/CDZoweBMC Jenkins Plug-insZigiConclusion
What Is AI?Why Use AI?Downsides of AIMachine LearningBinary ClassificationMulticlass ClassificationMultilabel ClassificationImbalanced ClassificationTypes of Machine LearningSupervised LearningUnsupervised LearningReinforcement LearningDeep LearningDataBig DataData ManagementLog DataData WranglingThe AI ProcessAccuracyAn AI DemoAI on ZAIOpsConclusion
What Is RPA?The Disadvantages of RPAMacros, Scripts, and APIsTypes of RPAProcess MethodologiesRPA RolesEvaluating RPA SoftwareProcess MiningHow to Create a BotCreating a UiPath BotCreating a Bot for the MainframeRPA Issues with MainframesLow-Code and No-Code SystemsConclusion
Why Modernize?Using a Hybrid CloudSetting GoalsEncapsulatingRehosting or ReplatformingRefactoring or RearchitectingReplacing or RebuildingWorking with the HyperscalersAmazon Web ServicesMicrosoftGoogle CloudAutomation ToolsHeirloom ComputingEvolveWareAdvanced’s Automated COBOL RefactoringAstadiaData MigrationConclusion
Innovation of the MainframeEnterprise IntegrationThe Hybrid ModelMainframe as a ServiceConclusion