Discover the technologies and features of the trusted and resilient IBM z/OS operating system
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Resource Measurement Facility (RMF) collects data for z/OS and sysplex environments to monitor, tune and configure the system.
System Display and Search Facility (SDSF) technology uses z/OSMF to monitor and manage a sysplex in JES2 and JES3 environments.
z/OS Workload Management (WLM) monitors the system and adapts processing to set goals and manage multiple workloads.
z/OS Management Facility (z/OSMF) provides a web-based interface to manage your z/OS systems through a browser from any location.
Manages central processor, zIIP capacity, control activation of On/Off Capacity on Demand, and changes to defined or group capacity.
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Automatically manages data and provides allocation control for availability, performance, backup, recovery, tape management and reporting.
The Hardware Configuration Definition (HCD) interface helps configure a processor's channel subsystem and OS running on the processor.
The Hardware Configuration Manager (HCM) is a PC-based client/server interface to HCD.
This no-charge, full-function product carries the Java compatible logo and provides the Java language and function for z/OS.
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Move an existing JES2 spool volume to a new spool volume, or merges an existing volume with another volume.
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A run-time environment for C, C++, COBOL, PL/I Fortran and assembler applications with a common library, services and interfaces.
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This compiler option for XL C generates code without Language Environment runtime dependencies and to express low-level programming logic.
View Metal C
IBM Multi-Factor Authentication for z/OS® (MFA) works with RACF to add authentication factors, define policies and apply them to IDs.
Network File System (NFS) brings managed storage to a distributed network with capacity, security and integrity.
IBM SDK for Node.js - z/OS helps augment existing IBM Z® application stacks in response to digital transformation requirements.
Integrate analytics, data access and abstraction by combining open source run times and libraries with analysis of z/OS data at its source.
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Software to allow admins to approve, modify or reject requests from users in accordance with policies through a web browser.
View PKI services
IBM Print Services Facility (PSF) and Infoprint Server help manage your z/OS production printing environment.
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Resource Access Control Facility (RACF) helps secure an installation's data, protects vital system resources and controls permissions.
This tool installs and maintains software in z/OS systems and subsystems.
This certified and integrated UNIX system helps manage and secure system resources from a single point, running near 100% utilization.
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Integrated with base z/OS, z/OS XML System Services is used to parse documents with or without validation.
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Contact the z/OS team
FAQs (PDF, 118 KB)
Github for z/OS
New function APARs
Recommended Service Updates
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Making the mainframe an integrated and agile platform. Open - Simple - Familiar.
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Speeds innovation in banking and customer services.
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Wider redesign of IT infrastructure to support client demands.
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See the independent software vendors reporting support for z/OS.
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