Intended audience

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This guide is intended for application programmers who are currently working with one of the following:

  • Transaction Processing Facility (TPF) system and IBM High Level Assembler/MVS & VM & VSE (HLASM)
  • Airline Control System (ALCS), also referred to as TPF/MVS, and IBM Assembler H or IBM High Level Assembler/MVS & VM & VSE (HLASM).