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z/OS support


   
 
Support for z/OS
Comprehensive support for z/OS.

Support for mainframe servers
Comprehensive support for zSeries and S/390 servers.

IBM Consolidated Service Test Web site
The CST Web site provides you with a way to obtain and install the recommended PTF service for z/OS or OS/390 and their key subsystems together in one package.

z/OS and z/OS.e marketing and service announce, availability, and withdrawal dates
Find out about US announcement, general availability, end of marketing, and end of service dates for z/OS, z/OS.e, and OS/390 releases.

IBM software support lifecycle
Get end of service dates for IBM software products.

z/OS and z/OS.e server support
View a table that shows z/OS, z/OS.e, and OS/390 support for zSeries and S/390 server models by operating system release.

z/OS fallback, coexistence, and migration options
View a table that explains your z/OS fallback, coexistence options by operating system release.

z/OS availability
It's by design. For decades, z/OS has included basic recovery, availability, and service features as core components of its operating system design. Get the details and find out about new enhancements.

Use SMP/E Internet Service Retrieval to get z/OS service
To order and obtain PTFs over the Internet, you should consider using SMP/E Internet Service Retrieval. You can find out more about SMP/E Internet Service Retrieval in the following:
S/390 Service Update Facility (SUF) will be discontinued on January 15, 2006
As a replacement for ordering and obtaining PTFs over the Internet, you should consider using SMP/E Internet Service Retrieval discussed above.

z/OS and OS/390 Enhanced HOLDDATA
Simplify your z/OS and OS/390 service management. IBM has modified the SMP/E report, ERRSYSMODS, to display enhanced HOLDDATA so you can:
  • Identify missing PE and HIPER fixes (APARs and PTFs) easily
  • Perform initial analysis of the impact of available fixes directly from the report
  • Obtain daily updates of this information


z/OS DOC APAR and ++HOLD DOC documentation
[ Search | List DOC APARS books ]

Obtain the latest updates to the z/OS base elements and optional features documentation that result from DOC APARs and PTFs (++HOLD DOC). IBM has gathered these updates so you can:
  • Search all changes
  • Print a documentation update
  • Obtain weekly updates of this information


z/OS Documentation Feedback
Send us your questions and comments.

 
Changes to Daylight Saving Time

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how to handle the extension of Daylight Saving Time


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z/OS basic skills information center

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z/OS Basics

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z/OS Security

Large-Scale Commercial Computing

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JES2 exit assessment offering for the U.S.

There are new JES2 exit requirements in z/OS V1.7 and this service offering can help you migrate to them.


LookAt message search

LookAt
improves z/OS and OS/390 message retrieval