
4 Introduction to the New Maineframe: z/VSE Basics
1.1 The new mainframe
Today, mainframe computers play a central role in the daily operations of most of
the world’s largest corporations, including many Fortune 1000 companies. While
other forms of computing are used extensively in various business capacities,
the mainframe occupies a coveted place in today’s e-business environment. In
banking, finance, health care, insurance, public utilities, government, and a
multitude of other public and private enterprises, the mainframe computer
continues to form the foundation of modern business.
The long-term success of mainframe computers is without ...