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IBM Mainframes - Reference Manuals

IBM Mainframe Reference Manuals

Free Online Mainframe references, Study Materials, Books Reviews, Information, Quick references, technical guides, overviews, Language elements, database concepts, Interview questions, Discussions, Articles, Reference Manuals etc..

Online quick reviews like Abbreviations, release history, terminology, Language Grammar, elements, compiler options, error codes, programming limits, syntax and semantics, utilities guide, abend codes, functions, transactions, applications, enhancements etc......

References: Beginners

	WHAT IS A MAINFRAME?
	MAINFRAME SOFTWARE VERSIONS
	COMPANIES WITH A MAINFRAME
	RECOMMENDED MAINFRAME BOOKS

References: Programming Languages

	WHAT's NEW IN ENTERPRISE COBOL?
	WHAT's NEW IN IBM COBOL FOR OS/390?
	WHAT's NEW IN VS COBOL II R4?
	VS COBOL II COMPRESSED GRAMMAR
	VS COBOL II REQUIREMENTS
	VS COBOL II COMPILER OPTIONS
	IBM COBOL COMPILER OPTIONS
	ENTERPRISE COBOL COMPILER OPTIONS
	COBOL RUNTIME OPTIONS
	COBOL CODING GUIDELINES
	COBOL MIGRATION GUIDE
	COBOL PROGRAMMING LIMITS
	COBOL PICTURE CLAUSE STRINGS
	COBOL USAGE CLAUSES
	COBOL FILE STATUS KEYS
	COBOL VSAM STATUS KEYS
	LE/370 CALLABLE SERVICES
	CLIST Vs REXXS

References: Batch Processing

	MVS JCL UTILITIES
	JCL PROGRAMMING LIMITS
	JCL UTILITY ERROR CODES
	MVS ABEND CODES

References: Online Processing

	CICS DFHBMSCA MEMEBRS
	CICS ABEND CODES
	CICS EIB FUNCTION CODES
	CICS CONTROL TABLES
	IBM SUPPLIED CICS TRANSACTIONS

References: DataBases

	DB2-SQL PROGRAMMING LIMITS
	DB2 CATALOG TABLES
	SQL BUILT-IN FUNCTIONS
	SQLCA VARIABLES FOR COBOL
	DB2 SQL ERROR CODES

Forum: Recent Posts

» DB2
Identify Program Insert
by Rohit Umarjikar

» CLIST & REXX
Issues with VIEW DATASET Command
by Pedro

» JCL & VSAM
JCL Dynamic System Symbols
by sergeyken

» JCL & VSAM
Current Date/Time thru JCL without writing any pgm
by Joerg.Findeisen

» CLIST & REXX
ISPP330 BDISPMAX exceeded
by Digvijay Singh

» Mainframe Jobs
Mainframe Programmer with CICS Skillset needed
by scdinesh

» DB2
Data Backup suggestions
by germanyrajesh

» JCL & VSAM
Monitoring production job progress. No displays in code
by Paras Dubey

» CLIST & REXX
SLEEP function in REXX
by Pedro

» CLIST & REXX
Limiting delay with GETMSG
by Clayton Westphal

» CLIST & REXX
Call program, directly from panel
by Willy Jensen

» All Other Mainframe Topics
How to Reformat a file using File Manager in mainframe.
by sergeyken

» DB2
DB2 Statistics - Using EXPLAIN and querying the results
by guptae

» DB2
Db2 SQL - how to switch among different where conditions
by sergeyken

» CICS
CVDA value for RRDS VSAM dataset.
by amitsjcntl

» ABENDS & Debugging
Insufficient Storage
by Robert Sample

» CLIST & REXX
Rexx formatting
by JPVRoff

» IBM Tools
DB2 Table - Image copy unload
by Pete Wilson

» DB2
Timestamp difference and its average by date
by sergeyken

» Suggestions & Feedback
Post which i had made in 2020 needs to be deleted
by sushanth bobby

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