30Introduction to the New Maineframe: z/VSE Basics
interactive end-user interface and the general z/VM application programming
interface.
1.10.3 z/OS
The operating system z/OS
8
is popular with users of bigger mainframe
computers. Some of these customers eventually migrated to z/OS when they
grow beyond the capabilities of z/VSE. It is designed to offer a stable, secure,
and continuously available environment for applications running on the
mainframe.
z/OS today is the result of technological advancement. z/OS evolved from an
operating system that could process a single program at a time to an operating
system that can handle many thousands of ...
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