Transaction Processing Facility definition operating system
(TPF) A real-time mainframe operating system
released by IBM
around 1976. TPF is particularly suited to organisations dealing in very high I/O message switching and large global networks. Current users include British Airways (reservations), VISA International (authorisations), Holiday Inn, and Quantas.
TPF was traditionally a 370/Assembler environment although the latest, release 4.1, contains C
. Formerly known as ACP (Airline Control Program), it was renamed "TPF" to suggests its greater scope.
It is common for TPF sites to use IBM's MVS
operating systems for off-line