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ALSO CALLED: Personal Computer Operating Systems, P/390
DEFINITION: The P/390 is basically an IBM mainframe system adapted to run on a personal computer. A P/390 comes on a single card that contains a System/390 instruction set, allowing operating systems such as OS/390, MVS, VM, and VSE, to be installed. The P/390 makes it possible to develop, test, and run application programs written for the mainframe on a smaller, more economical machine. After testing, programs  … 
Definition continues below.
PC Operating Systems Reports
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Change Your Desktops, Change Your Business
sponsored by Dell, Inc. and Intel®
DATA SHEET: Access this data sheet to find out how replacing legacy desktop towers with either all-in-one PCs or mini desktops can impact your organization and help to boost your competitive edge.
Posted: 07 Oct 2015 | Published: 31 Mar 2015

Dell, Inc. and Intel®

Changing your desktops lowers IT costs and boosts employee productivity for a competitive edge
sponsored by Dell, Inc. and Intel®
ANALYST REPORT: This report compares two new desktops – an all-in-one PC and a mini desktop – to a five year old legacy desktop tower, similar to the ones your business may currently use. Download now to see the benefits of replacing legacy desktop systems with all-in-one PCs or mini desktop.
Posted: 07 Oct 2015 | Published: 31 Mar 2015

Dell, Inc. and Intel®

Old PCs Put Your Business at Risk
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Access this white paper to learn how hardware-enhanced security features work alongside software solutions to protect your business from malware and secure all the important, private data on all your endpoints. You'll explore three most common ways hackers can attack you desktops and five technologies that help protect your business.
Posted: 07 Oct 2015 | Published: 30 Apr 2015

Dell, Inc. and Intel®

Transforming the Desktop to Align with Today’s Mobile Reality
sponsored by VMware
WHITE PAPER: This white paper details desktop transformation – aligning desktop computing with today's dominant trend of business mobility. Read on to learn what desktop transformation can enable and discover how organizations have transformed their business by transforming their desktops.
Posted: 14 Sep 2015 | Published: 31 Jul 2015


How to transform your desktop environment
sponsored by VMware
BROCHURE: Access this resource to learn how to go beyond the limitations of legacy desktop architectures with a platform combining software-defined data center, real-time application delivery, user management, and flexible hybrid cloud delivery. You'll also discover stories of how nine organizations are transforming their desktop infrastructure.
Posted: 14 Sep 2015 | Published: 31 Jul 2015


5 Ways a Workstation Can Benefit Your Bottom Line
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Access this white paper to examine the return on investment (ROI) of professional workstations versus standard PC platforms for graphics-intensive applications. You'll learn five ways workstations can financially benefit your organization.
Posted: 30 Apr 2015 | Published: 31 Dec 2014

Dell, Inc. and Intel®

Tech Skills Heading the Way of the Dinosaur: 2015 Edition
sponsored by Global Knowledge
WHITE PAPER: This white paper highlights a few different types of technologies from the past and explains why it might be time to make some changes.
Posted: 27 Mar 2015 | Published: 27 Mar 2015

Global Knowledge

Endpoint Solutions for DaaS Facilitated Virtualized Desktops
sponsored by ViewSonic Corporation
WHITE PAPER: Access this informative white paper to find out how cloud-hosted virtual desktops – or DaaS – offer an alternative solution to achieve the benefits of desktop virtualization for any organization that finds VDI prohibitive due to cost, staffing constraints or other factors.
Posted: 27 Mar 2015 | Published: 22 Sep 2014

ViewSonic Corporation

Empower a Mobile Workforce with Secure App Delivery
sponsored by Citrix
WEBCAST: In this webcast, discover several top use cases for application virtualization, complete with real world customer examples. Additionally, learn about common business challenges facing the industry today.
Posted: 27 Mar 2015 | Premiered: Mar 27, 2015


Measuring the Business Value of VMware Horizon View
sponsored by VMware
WHITE PAPER: This white paper highlights an in-depth analysis of organizations who have adopted a centralized virtual desktop computing environment with the use of VMware Horizon View as their platform. Find out how organizations saw significant business value and high ROI when compared to traditional PCs.
Posted: 13 Mar 2015 | Published: 31 Dec 2013


E-Guide: Choosing the Right Thin Clients for your VDI Project
sponsored by Dell
EGUIDE: This exclusive e-guide details important tips on how to choose the best thin clients. Download now to learn what factors to consider when selecting a thin client and check out the answers to frequently asked questions about thin client options.
Posted: 06 Nov 2014 | Published: 06 Nov 2014


Improve Performance and Increase Value With A PC Refresh
sponsored by Dell, Inc. and Intel®
WHITE PAPER: This white paper reveals three reasons to upgrade to new client systems in order to improve performance.
Posted: 08 Sep 2014 | Published: 29 Aug 2014

Dell, Inc. and Intel®

Refreshing, Resetting, and Restoring: A Guide to Recovery Options in Windows
sponsored by Global Knowledge
WHITE PAPER: Explore this informative white paper to uncover all the ins-and-outs of each Windows troubleshooting option, and in which situations each should be used.
Posted: 14 Apr 2014 | Published: 14 Apr 2014

Global Knowledge

Windows 8 Secrets
sponsored by
BOOK: Download a step by step guide to installing Windows 8 from the book Windows 8 Secrets and receive a 30% discount on the full book.
Posted: 28 Jun 2013 | Published: 28 Jun 2013

Considering a BYOPC Strategy
sponsored by
EGUIDE: Before implementing a BYOPC strategy, it is imperative to take many security and management factors into account. Check out this E-Guide from to learn all about the BYOPC trend, the pros and cons, and what you need to know before implementation.
Posted: 20 Nov 2012 | Published: 20 Nov 2012 E-Guide: Enterprise device management: A brave new world
sponsored by
EGUIDE: This exclusive E-Guide from examines the latest trends, news and analysis pertaining to IT device management today.
Posted: 10 May 2012 | Published: 09 May 2012

PC Data Migration Made Easy with Endpoint Backup
sponsored by Code42
WEBCAST: PC data migration projects are challenging, but endpoint backup can make the process easier. This webcast will give expert advice on how to make the migration process as simple as possible.
Posted: 13 Mar 2014 | Premiered: Mar 24, 2014


Rethink the Traditional PC Refresh Strategy
sponsored by Citrix
WHITE PAPER: Read this white paper to learn more about the trends that are driving IT professionals to repurpose their PC refresh budgets with Citrix XenDesktop.
Posted: 22 Nov 2013 | Published: 22 Nov 2013


La Jolla Institute for Allergy & Immunology: Customer Video
sponsored by Absolute
VIDEO: In this on-demand video case study, learn how the right enterprise-level management software allowed La Jolla Institute for Allergy & Immunology to better manage, secure, and track all of its systems and devices.
Posted: 12 Nov 2013 | Premiered: 12 Nov 2013


ExtremeZ-IP: Could ExtremeZ-IP Help Your Business?
sponsored by Acronis
SOFTWARE DOWNLOAD: Find out if ExtremeZ-IP is right for your environment and can deliver a better experience for Mac users and your IT department.
Posted: 15 Oct 2013 | Premiered: 15 Oct 2013


MicroScope August 2013: A special issue covering innovation in the PC market
sponsored by MicroScope
EZINE: A themed issue examining the potential revenue opportunities for resellers including hardware in their sale pitches.
Posted: 12 Aug 2013 | Published: 12 Aug 2013


Top 10 Benefits of Modernizing Your Desktop
sponsored by VMware
WHITE PAPER: Faced with a growing number of client devices, new user requirements, and the challenges of desktop management, many companies are determining that the conventional PC-centric model is no longer effective. This white paper explores the concept behind desktop modernization and outlines ten reasons you should start adopting it.
Posted: 25 Jun 2012 | Published: 22 Jun 2012


Brian Madden Book - The VDI Delusion
sponsored by Dell Software
EBOOK: In this featured book on, you will learn about the promise and reality of VDI and why it is so difficult for today’s organizations. Read about the future of applications, Windows, and devices, and how all this comes together in the form of the desktop of the future.
Posted: 15 Mar 2012 | Published: 15 Mar 2012

Dell Software

New Security Solutions Using Intel® vPro™ Technology
sponsored by Intel
WHITE PAPER: This white paper introduces a new technology aimed at increasing your ability to manage, maintain and protect PCs without burdening your budget. Learn all about its ability to securely manage PCs over various networks and discover 10 additional security use cases for this advanced platform.   
Posted: 28 Feb 2012 | Published: 28 Feb 2012


Network technology trends for 2012: Wireless LAN and BYOD
sponsored by Enterasys
EGUIDE: Access this expert E-Guide from to uncover predictions for the upcoming year from a leading industry analyst.
Posted: 30 Jan 2012 | Published: 30 Jan 2012

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PC OPERATING SYSTEMS DEFINITION (continued): …  that require mainframe capability can be moved to the mainframe. A common use of the P/390 today is for 2000 analysis and testing. The P/390 is sold as part of a PC workstation that also comes with an OS/2 operating system. The entire product is called the IBM PC Server System/390. The MVS and OS/390 operating systems require 128 megabyes of RAM. VM and VSE will install with 32 megabytes.An R/390 is the P/390-PCI card installed on IBM's RS/6000 server. Both products are sold both as development environments and as economical approaches for companies with older mainframe systems to move their … 
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