This paper is focused on Linux running on System z which includes the hardware and software aspects of the platform and its support for virtualization, IT optimization, cloud computing, and big data.
From a business perspective the Linux environment on System z address a wide array of customer requirements, providing a new way to do workload consolidation that addresses operational costs associated with supporting large numbers of Linux systems that have been deployed across the corporate network.
https://vshow.on24.com/vshow/stg_portal/content/628649
Analyst paper