IBM® Virtual Storage Extended (z/VSE®) is an operating system for IBM Z® platform used for traditional batch and online transaction processing applications. It features online transaction processing, security and connectivity that easily integrates into a heterogeneous environment using web-based business solutions. It can be used alone, or in a heterogenous environment. Flexible integration is possible because it uses open and industry standards. z/VSE enables clients to extend existing solutions with connectors to access applications on Linux on IBM Z, or any other platform and to access z/VSE resources from other platforms.