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The TPF loader was extended to read the z/OS-unique load module file format, then lay out file-resident load modules' sections into memory; meanwhile, assembly language programs remained confined to TPF's segment model, creating an obvious disparity between applications written in assembler and those written in higher level languages (HLL).
All modern IBM mainframe operating systems except z/TPF are descendants of those included in the "System/370 Advanced Functions" announcement – z/TPF is a descendant of ACP, the system which IBM initially developed to support high-volume airline reservations applications.
IBM Transaction Processing Facility (TPF) – 1960. Unlike most other transaction processing systems TPF is a dedicated operating system for transaction processing on IBM System z mainframes. Originally Airline Control Program (ACP). IBM Information Management System (IMS) – 1966. A joint hierarchical database and information management ...
ALCS is a transaction processing monitor for the IBM System/360, System/370, System/390, and IBM Z mainframes. It is a variant of TPF specially designed to provide all the benefits of TPF (very high speed, high volume, and high availability in transaction processing) but with the advantages such as easier integration into the data center ...
As of 2023 it is IBM's current assembler programming language for its z/OS, z/VSE, z/VM and z/TPF operating systems on z/Architecture mainframe computers. Release 6 and later also run on Linux , and generate ELF or GOFF object files (this environment is sometimes referred to as Linux on IBM Z ). [ 19 ]
SabreTalk is a discontinued dialect of PL/I for the S/360 IBM mainframes running the TPF platform. SabreTalk was developed jointly by American Airlines, Eastern Air Lines and IBM. SabreTalk is known as PL/TPF (Programming Language for TPF). [1] In 1973, Eastern Air Lines' computing division was selling the SabreTalk compiler for US$95,000. [2]
zPDT (System/z Personal Development Tool), an IBM offering allowing IBM PartnerWorld Independent Software Developers (ISVs) to legally run z/OS 1.6 (or higher), DB2 V8 (or higher), z/TPF, or z/VSE 4.1 (or higher) on PC-based machines that can be acquired based on a Linux emulation.
Programmed Airline Reservations System (PARS) is an IBM proprietary large scale airline reservation application, a computer reservations system, executing under the control of IBM Airline Control Program (ACP) (and later its successor, Transaction Processing Facility (TPF)). Its international version was known as IPARS. [1]