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75 lines
2.5 KiB
Markdown
75 lines
2.5 KiB
Markdown
MVS Messages Naming
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The first three, occasionally four, characters of the component/program name identify the program, and usually, serve to identify the error messages issued by the program. Many of the prefixes originated in the OS/360 era, or earlier, and the origin of the prefix letters is no longer known. Currently IBM maintains a registry of prefixes assigned both by IBM and by third parties. Some of the known prefixes are:
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ADF TSO Session Manager
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AHL MVS Generalized Trace Facility
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AMA
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AMB
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AMD MVS Service Aids
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BLS IPCS (Interactive Problem Control System)
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DFH CICS
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DFS IMS/DLI
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HASP JES2
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IAT JES3
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IBC Stand-alone utilities (DASD Initialization, Dump/Restore, etc.)
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IBM PL/I library
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ICB Mass Storage System Communicator
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ICE Sort/Merge
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ICF Power Warning Feature
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ICG Mass Storage Control Table Create
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ICH RACF (Resource Access Control Facility)
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ICK Device Support Facilities
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IEA System control (storage/task management, etc.)
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IEB Non-privileged utilites (utilities which do not invoke privileged functions)
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IEC Data Management, Input/Output Supervisor
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IED TCAM (Telecommunications Access Method)
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IEE Master Scheduler, Operator's console
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IEF Job Management (Master Scheduler, Initiator, Reader, Writer, etc.)
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IEG Graphics Management
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IEH Privileged utilities (utilities which invoke privileged functions)
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IEI System Generation messages
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IEK FORTRAN H compiler
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IEL PL/I Optimizing compiler
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IEM PL/I F compiler
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IEN PL/I checkout compiler
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IEP COBOL E compiler
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IEQ COBOL F compiler
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IER MVT Sort/Merge
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IES RPG compiler
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IEU Assembler F
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IEV Assembler H
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IEW Program Management (Linkage Editor, Loader, Program Fetch, Overlay Supervisor)
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IEX ALGOL compiler
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IEY FORTRAN G compiler
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IFA SMF (System Management Facilities)
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IFB Environmental Recording
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IFC EREP (Environmental Record Editing and Printing)
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IFD OLTEP (Online Test Executive Program)
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IFE FORTRAN IV H extended compiler
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IFO OS/VS Assembler XF
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IGC SVC (Supervisor Call) functions
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IGF Recovery Management
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IGG Open, Close, End-of-Volume transient modules for type 4 SVCs
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IGI FORTRAN IV G1
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IHC FORTRAN IV library
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IHE PL/I F library
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IHI ALGOL library
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IHJ Checkpoint/Restart
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IHL OS Generalized Trace Facility
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IKF ANS COBOL compiler and OS/VS COBOL compiler
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IKJ TSO
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IKM PL/I Syntax Checker
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IKT TSO/VTAM
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ILR MVS Auxiliary Storage Management
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IMA
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IMB
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IMD OS Service Aids
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IMC OS Job Queue utilities
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IPD FORTRAN IV Syntax Checker
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IRA MVS System Resources Manager
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IRB MF/1 (Measurement Facility/1)
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IST VTAM
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