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Mainframe Operating Systems

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ALSO CALLED: Main Frame OS, Mainframe OS
DEFINITION: Multics (Multiplexed Information and Computing Service) was a mainframe time-sharing operating system that was developed in the 1963-1969 period through the collaboration of the Massachusetts Institute of Technology (MIT), General Electric (GE), and Bell Labs. Multics was the first or one of the first operating systems that used page-segmented storage. The operating system was written in PL/I and  … 
Definition continues below.
Mainframe Operating SystemsWhite Papers (View All Report Types)
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Doubly Dependable: Linux and Open-Source HA Build on Mainframe’s Strengths
sponsored by SUSE
WHITE PAPER: Access this resource to learn how your mainframe-based infrastructure can profit from advanced OSS HA cluster technologies available on Linux. Read on to learn how you can reduce downtime and add even more protection for your data by deploying Linux-based, open-source HA solutions.
Posted: 06 Oct 2014 | Published: 30 Aug 2013

SUSE

CA Technologies DB2 Mainframe for z/OS Utilities: What Makes Them Unique?
sponsored by CA Technologies.
WHITE PAPER: Explore this technical whitepaper to learn how CA Technologies Database Management software for DB2 for z/OS has changed and evolved in response to customer needs for IBM DB2 for z/OS business applications. Read on to learn how this utility supports the latest versions of DB2 for z/OS and what makes these utilities unique.
Posted: 19 Jun 2014 | Published: 31 Dec 2012

CA Technologies.

CA Technologies Extends Mainframe Software License for Use with IBM Rational Development and Test Environment for System z
sponsored by CA Technologies.
WHITE PAPER: Explore this resource to learn why CA Technologies is offering their mainframe customers the ability to purchase a seat license for their mainframe software so they can run it in IBM's RD&T environment. Click on the link to learn more.
Posted: 13 Jun 2014 | Published: 31 Dec 2012

CA Technologies.

IBM’s Mainframe50: The Future of the Mainframe
sponsored by IBM
WHITE PAPER: IDC takes an opportunity to reflect on the significance the mainframe has had on the IT industry, business and society; the degree to which this technology remains a core foundation of today's global infrastructure; and the extent to which companies are using it to find new ways to drive business innovation.
Posted: 16 May 2014 | Published: 16 May 2014

IBM

The value of System z: Deploy IBM zEnterprise for more business value
sponsored by IBM
WHITE PAPER: This whitepaper explains why mainframe technology is the security platform of choice for cloud, big data and various operational applications.
Posted: 21 Feb 2014 | Published: 29 Mar 2013

IBM

Meeting the Mobile Challenge on the Mainframe
sponsored by IBM
WHITE PAPER: This whitepaper examines the effect that mobile or Bring Your Own Devices (BYOD) have on enterprises, and how company mainframe can help support development, management, and security with its processing power.
Posted: 21 Feb 2014 | Published: 17 Oct 2013

IBM

A Trusted Ally in a World of Constant Change
sponsored by BMC Software, Inc.
WHITE PAPER: This whitepaper provides a step-by-step process to reduce mainframe MLC costs up to 20% without compromising business critical services.
Posted: 07 Mar 2014 | Published: 07 Mar 2014

BMC Software, Inc.

Analyst Report: IBM CICS Tools: Discovery and Optimization for the Next Generation by the Branham Group (February 2013)
sponsored by IBM
WHITE PAPER: This independent white paper discusses the challenges that IT departments face in cost and manpower hours. It looks at several tools that have been shown to significantly reduce the time needed to meet those challenges with resultant deep cost benefits.
Posted: 21 Feb 2014 | Published: 01 Jan 2013

IBM

10 Steps to Reducing Mainframe MLC Costs
sponsored by BMC Software, Inc.
WHITE PAPER: This white paper provides you with 10 easy-to-navigate steps to reduce your software charges.
Posted: 18 Dec 2013 | Published: 18 Dec 2013

BMC Software, Inc.

Demo: Overview of IBM Integrated Solution for System z Development (December 2012)
sponsored by IBM
WHITE PAPER: An overview of the IBM Integrated Solution for System z Development, including its capabilities and constituent member products.
Posted: 18 Oct 2013 | Published: 18 Oct 2013

IBM

Put an end to mainframe scripting with policy-driven IBM automation
sponsored by IBM
WHITE PAPER: Automating single-mainframe environments often requires time-consuming and cumbersome script-writing. This resource describes a strategy designed to quickly and easily replace manual methods of mainframe automation.
Posted: 17 Oct 2013 | Published: 30 Apr 2013

IBM

Move up to Enterprise Developer for zEnterprise
sponsored by Micro Focus
WHITE PAPER: Access this crucial paper to get an in-depth look at a tool that brings contemporary capabilities to mainframe application development, enabling faster change and delivery of new business functions without mainframe resources.
Posted: 16 Apr 2013 | Published: 02 May 2013

Micro Focus

A step change in development efficiency
sponsored by Micro Focus
WHITE PAPER: This critical white paper explains how an enterprise developer solution can help development teams improve the efficiency and effectiveness of IBM zEnterprise environments, streamlining the mainframe application development process.
Posted: 10 Apr 2013 | Published: 02 May 2013

Micro Focus

Rehosting Mainframe Workloads
sponsored by Clerity
WHITE PAPER: Many legacy applications still contain valuable business information. But maintaining the mainframes that they reside on can quickly become cost-prohibitive. This white paper explores various mainframe alternatives, the concept behind rehosting, and a recommended market offering you can implement immediately.
Posted: 19 Jul 2012 | Published: 01 Apr 2011

Clerity

Endress+Hauser maximizes availability and resiliency with Linux on System z
sponsored by IBM
WHITE PAPER: Because downtime can have serious implications, it is critical that companies have an effective disaster recovery (DR) strategy in place. This case study compares several DR architectures and discusses how one organisation successfully navigated the selection process.
Posted: 11 Jun 2012 | Published: 01 Jun 2011

IBM

City of Inglewood
sponsored by Micro Focus
WHITE PAPER: Access this white paper to discover how one city migrated from their aging mainframe to a Windows platform. Learn how your organization can save on maintenance costs and increase operational efficiency by making a similar move.
Posted: 14 May 2012 | Published: 14 May 2012

Micro Focus

Next Generation Mainframe Computing
sponsored by CA Technologies.
WHITE PAPER: The mainframe can enable substantial cost savings and efficiency gains, but only if effective management tactics are in place. This white paper examines the key advantages of the mainframe and offers exclusive advice for incorporating it into your overarching IT strategy.
Posted: 01 May 2012 | Published: 01 Dec 2011

CA Technologies.

Cisco Unified Computing System for SAP Landscapes
sponsored by Cisco Systems, Inc.
WHITE PAPER: Read this paper to discover a next-generation data center platform that provides the compute, network, and storage access components, deployed as a single cohesive system, to complement the SAP NetWeaver architecture.
Posted: 22 Nov 2011 | Published: 22 Nov 2011

Cisco Systems, Inc.

How to manage consolidated applications
sponsored by HP
WHITE PAPER: This resource explains how you can lower costs and improve flexibility by migrating your mainframe to open system servers. Discover the three major factors driving organizations to consider migrating application workloads off mainframe environments to open systems solutions.
Posted: 07 Oct 2011 | Published: 07 Oct 2011

HP

Next-Generation Mainframe Computing
sponsored by CA Technologies.
WHITE PAPER: This white paper provides insight into the current state of the mainframe. Discover three challenges affecting the future of these technologies and learn how to successfully overcome them.
Posted: 15 Jul 2011 | Published: 15 Jul 2011

CA Technologies.

Agile Storage Infrastructure for Mainframe Environments
sponsored by Hitachi Data Systems
WHITE PAPER: The new Hitachi Virtual Storage Platform delivers the best performance and capacity combined with lowest power consumption and lower cooling requirements, consuming up to 40% less power than its predecessor. Learn more.
Posted: 01 Dec 2010 | Published: 01 Dec 2010

Hitachi Data Systems

Harmonizing the Twin Trends of Open Source and Virtualization: How Kernel Based Virtual Machine (KVM) Drives Enterprise Business Value
sponsored by Red Hat & IBM
WHITE PAPER: In the 1960s, computers housed in data centers were few in number and this resource was very expensive. As a result utilization of those compute resources was kept very high. In order to optimize the utilization of those...
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Red Hat & IBM

KVM - Kernel Based Virtual Machine
sponsored by Red Hat & IBM
WHITE PAPER: The x86 architecture has proven to be the dominate platform in enterprise computing, moving from its humble beginnings in desktop systems to now, powering the large enterprise applications that run businesses across the globe.
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Red Hat & IBM

A Catalyst for Mission-Critical Transformation
sponsored by Intel
WHITE PAPER: IT organizations looking to improve service levels and drive down total costs for their most demanding workloads should take a closer look at the latest Intel® Xeon® processor 7500 series. Read this paper to learn more.
Posted: 29 Oct 2010 | Published: 05 May 2010

Intel

USENIX HotCloud '10
sponsored by Novell, Inc.
WHITE PAPER: This paper describes infrastructure software for this new IT landscape. It will discuss the service-oriented distributed management necessary to create an IT platform.
Posted: 21 Oct 2010 | Published: 21 Oct 2010

Novell, Inc.
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MAINFRAME OPERATING SYSTEMS DEFINITION (continued): …  ran on GE hardware. By 1970, Bell Labs had withdrawn from the project, and Honeywell, which had bought GE's computer division, continued as the hardware provider. Support from the Advanced Research Projects Agency helped sustain the project.In 1973, Honeywell announced a commercial system, the 6180, consisting of two processors that ran at 1 MIPS each, 768 kilobytes of memory, an 8 megabyte bulk store, a 1.6 gigabyte hard disk, 8 tape drives, and two communication controllers. The price was about $7 million. Later, a multiple disk system called the New Storage System (NSS) was added. In 1977, … 
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