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VM/ESA and its customers exclusive technical advantages not available in any
other operating system platform.
Operations Management
With PROP (VM/ESA′s PRogrammable OPerator) you can cut your console traffic
substantially. This saves time and reduces errors.
Recovery Management
You can build guest virtual machines to simulate systems at your organization′s
other sites. So, VM/ESA can become a disaster-recovery backup site.
Interactive Computing, Application Development and Support
Although it is not normally considered a guest function, VM/ESA′s CMS is the
development and interactive platform-of-choice for many IBM customers both
S/390 and non-S/390. One reason for this is VM/ESA offers many practical
application development and support tools that make the job easy.
Interactive Program Development Tools
CMS, XEDIT, and REXX, NetREXX, Pipelines and others provide elegant,
powerful, and convenient services to help you write programs.
Debug and Trace Tools
Debugging under CMS is much easier than in a batch environment, because you
can see the results right away and make changes easily. With the advent of
INSPECT and its truly interactive symbolic debugging, you can examine your
code, executing one instruction at a time, making any necessary changes.
VM/ESA supports IBM′s Language Environment (LE), VisualAge, VisualLift and a
host of others products related to S/390 based application development and
support. These tools supported by VM/ESA speed up application development
and support and are a strong complement to your overall business.
Interactive Data Analysis and Reduction
CMS Pipelines, REXX, XEDIT, and DB2 constitute a powerful toolbox for reducing,
distributing, and analyzing data originating from the VSE, OS/390, TPF, and other
systems running as a guest on VM/ESA.
Access to VM/ESA CMS Applications
VM/ESA supports many applications, such as several Web Server Products,
OfficeVision, CMS OpenEdition, DB2, TCP/IP with a wide variety of the TCP/IP
applications, TCP/IP Sockets APIs available in products such as REXX and CMS
Pipelines. These products and others are attractive to customers running
production and/or test OS/390, VSE, TPF systems on VM/ESA.
Server Consolidation
VM/ESA tools and functions and VM/ESA′s Guest Support give customers the
ability to consolidate many diverse distributed systems into a single image.
VM/ESA does this at a fraction of the cost required to maintain and service many
428 VSE to OS/390 Migration Workbook