Although Microsoft still rules the office desktop and racks up healthy sales for server operating systems, open source software is winning fans over.
The most popular alternative to Microsoft's flagship Windows computer operating system is Linux. Unlike Windows it is free to download, install, copy,
The European Union, British and Israeli governments are showing a preference for Linux. Brazil's top technology officer has even said he wants the
operating system across the entire public sector.
Many large high-profile companies are also experimenting with it. Morgan Stanley and Unilever are already in the process of migrating servers and
databases onto Linux.