"Banks worldwide are opting for the predictability and
familiarity of Microsoft's Windows for application servers over
Linux, according to a global financial services software
company.
"Sydney-based Financial Network Services (FNS) develops banking
applications in the mainframe and Windows environments, for its
'core' and 'delivery channel' products respectively. The core
applications run on zOS, Unix and Windows; however, the delivery
channel products are Windows-only with the next generation being
built around the .Net framework..."