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OS/390

OS/390 is an IBM operating system for the System/390 IBM mainframe computers.

Key facts

OS.name: OS/390
OS.logo: IBM logo.svg
OS.logo size: 120px
OS.developer: IBM
OS.family: MVS
OS.working state: Discontinued
OS.marketing target: IBM mainframe computers
OS.language: English
OS.supported platforms: System/390
OS.license: Proprietary
OS.succeeded by: z/OS

via Wikipedia infobox

Key dates

Published: 1995

via Wikidata · CC0

Wikidata facts

Instance of: operating system
Developer: IBM
Platform: IBM S/390

Show 1 more fact

P1365: MVS

via Wikidata · CC0

Article

4 sections

Contents

Overview
OS/390 Releases
See also
References

OS/390 is an IBM operating system for the System/390 IBM mainframe computers.

==Overview== OS/390 was introduced in late 1995 in an effort to simplify the packaging and ordering for the key, entitled elements needed to complete a fully functional Multiple Virtual Storage (MVS) operating system package. These elements included, but were not limited to: Data Facility Storage Management Subsystem Data Facility Product (DFP)Provides access methods to enable I/O to, e.g., Direct access storage device subsystems, printers, tape; provides utilities and program management Job Entry Subsystem (JES)Provides the ability to submit batch work and manage print IBM Communications ServerProvides Virtual Telecommunications Access Method (VTAM) and TCP/IP communications protocols