Gartner Research

Market Share Analysis: Server Operating Systems, Worldwide, 2015

Published: 20 May 2016

ID: G00294942

Analyst(s): Matthew Cheung

Summary

Continual Unix-to-Linux migration and the upcoming Windows Server 2016 resulted in a mild negative decline of the server OS market at 2.0%. Data center expansion and cloud computing helped cost-effective and popular Linux grow 10.4%.

Table Of Contents

Market Share Data

  • A Comment About Currency Fluctuations

Overall Market Segment Performance Analysis

  • Unix-to-Linux Migration Continues in Server OS Market
  • Overall OS Revenue Declined in Most Geographies

Top Vendors Analyzed

  • Microsoft Windows Server Growth Slowed, With Pending New Product Release
  • IBM OS Revenue Loss Widened
  • Red Hat Continues Its Double-Digit Growth
  • HP-UX's Loss Sent HP/HPE Server OS Revenue Growth to Negative Territory
  • Oracle Linux Grew, While Solaris Continued to Decline

Other Notable Vendors

  • Growth of Micro Focus Resulted From SUSE
  • Canonical/Ubuntu Grew Fast, Especially in Cloud

Mergers and Acquisitions

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