These systems complement the high-end zSeries 900 systems, providing a smooth path from
80 MIPS (the smallest generally available zSeries 800) to the largest zSeries 900 system.
This chapter provides a brief summary of these systems, while later chapters explore
selected details in more depth.
A special packaging of z/OS is available only for the zSeries 800 machines. This is a
packaging, not a new operating system, and is known as z/OS.e. The intention is to provide a
limited portion of z/OS, at a greatly reduced cost, that is geared toward new workloads.