Methodology

Operating Systems and Subsystems Market Definition

Introduction

Windows Trends — Client Operating Environments

Windows Trends — Server Operating Environments

Linux Trends — Client Operating Environments

Linux Trends — Server Operating Environments

2009 Market Share

Table: Worldwide Client and Server Operating Environments New License Shipments/Subscriptions and Upgrade/Maintenance Revenue, 2006–2009

Table: Worldwide Client and Server Operating Environments New License Paid Shipments/Subscriptions and Nonpaid Deployments, 2006 and 2007 (000)

Table: Worldwide Client and Server Operating Environments New License Paid Shipments/Subscriptions and Nonpaid Deployments, 2008–2010 (000)

Unix Market Performance

Table: Worldwide Unix Server Operating Environment New License Paid Shipments/Subscriptions and Nonpaid Deployments, 2006–2010 (000)

Forecast and Assumptions

Shipment Forecast Data

Installed Base Data

Table: Worldwide Client and Server Operating Environments New License Shipments/Subscriptions and Upgrade/Maintenance Revenue by Platform, 2006–2014 ($M)

Table: Worldwide Client and Server Operating Environments Paid New License Shipments/Subscriptions and Nonpaid Deployments, 2006–2015 (000)

Table: Worldwide Client and Server Operating Environments Installed Base, 2006–2015 (000)

Assumptions

Table: Top 3 Assumptions for the Worldwide Client and Server Operating Environments Market, 2011–2015

Table: Key Forecast Assumptions for the Worldwide Client and Server Operating Environments Market, 2011–2015

Market Context

Table: Worldwide Client Operating Environment Paid Shipments/Subscriptions and Nonpaid Deployments, 2006–2015: Comparison of December 2009 and May 2011 Forecasts (000)

Table: Worldwide Server Operating Environment Paid New License Shipments/Subscriptions and Nonpaid Deployments, 2006–2015: Comparison of December 2009 and May 2011 Forecasts (000)

Figure: Worldwide Client Operating Environment Paid Shipments/Subscriptions and Nonpaid Deployments, 2006–2015: Comparison of December 2009 and May 2011 Forecasts

Figure: Worldwide Client Operating Environment Paid Shipments/Subscriptions and Nonpaid Deployments Growth, 2007–2015: Comparison of December 2009 and May 2011 Forecasts

Figure: Worldwide Server Operating Environment Paid New License Shipments/Subscriptions and Nonpaid Deployments, 2006–2015: Comparison of December 2009 and May 2011 Forecasts

Figure: Worldwide Server Operating Environment Paid New License Shipments/Subscriptions and Nonpaid Deployments Growth, 2007–2015: Comparison of December 2009 and May 2011 Forecasts

Related Research

Operating Environment Definitions

Synopsis