HP Multi-Programming Executive

MPE, MPE XL, MPE/iX
DeveloperHewlett-Packard
Written inSystem Programming Language, HP Pascal, Assembly language
Working stateDiscontinued
Initial release1974; 52 years ago (1974)
Latest release7.5 / August 2002; 24 years ago (2002-08)
Supported platformsHP 3000
Default
user interface		Command-line interface
LicenseProprietary
Official websiteMPE/iX at hp.com at the Wayback Machine (archived 2005-03-12)

MPE (Multi-Programming Executive) is a discontinued business-oriented mainframe computer real-time operating system developed by Hewlett-Packard for their HP 3000 computers. While the HP 3000s were initially mini-mainframes, the final high-end systems supported 12 CPUs and over 2000 simultaneous users.

Description

It runs on the HP 3000 family of computers, which originally used HP custom 16-bit stack architecture CISC CPUs and were later migrated to PA-RISC where the operating system was called MPE XL.[1]

In 1983, the original version of MPE was written in a language called SPL (Systems Programming Language). MPE XL was written primarily in Pascal, with some assembly language and some of the old SPL code.[citation needed]

In 1992, the OS name was changed to MPE/iX to indicate Unix interoperability with the addition of POSIX compatibility.[2] The discontinuance of the product line was announced in late 2001, with support from HP terminating at the end of 2010. A number of 3rd party companies still support both the hardware and software.[citation needed]

In 2002, HP released the last version MPE/iX 7.5.[3]

Commands

Among others, MPE/iX supports the following list of common commands and programs.[4]

References

  1. ^ COMMUNICATOR 3000/XL Release 1.0 (A.02.00) (R2815 ed.). Hewlett-Packard. April 1988. 5958-3183. Introduction to MPE XL for MPE V Systems Administrator 30367-60001
  2. ^ "MPE/iX Release 4.0 (B.40.00) Overview". MPE/iX RELEASE 4.0 (Core Software Release B.40.00). COMMUNICATOR 3000 MPE. Hewlett-Packard. 1992-06-01. 30216-90104.
  3. ^ 3000-MPE (Software), on HPMuseum site, retrieved on October 2019.
  4. ^ MPE/iX Commands Reference Manual. HP 3000 MPE/iX Computer Systems (10th ed.). Hewlett-Packard. October 1998. 32650-90864.
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