z/OS is a highly secure, scalable, high-performance enterprise operating system on which to build and deploy Internet and Java-enabled applications, providing a comprehensive and diverse application execution environment.
z/OS Announcement Letters
What's new by version and release
z/OS announcements, statements of direction, and notable changes Find out about current z/OS announcement letters and the future direction of z/OS.
The following documentation provides additional information about z/OS:
- z/OS V2R1 Frequently Asked Questions (FAQs)
- All System z related frequently asked question documents
- IBM SHARE March 2012 Disclosure
- White papers
- Reference guides
- Data sheets
- Customer case studies
- Marketing brochures
- Solution Briefs
- Executive Briefs
System z Resources Site Map
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