What is IBM z/VSE®?

IBM z/VSE is an operating system for IBM Z® platform that you can use for reliable and secure transactions and batch workloads. With connectors, it can be easily integrated in a hybrid IT environment and colocated in a Linux® on IBM Z environment.

The z/VSE operating system

This easy-to-manage operating system is used for reliable and secure transactions and batch workloads. The z/VSE V6.2 operating system introduces new IT solutions at low cost, with low risk and easy implementation.

Base z/VSE software

Secure your data and address regulations

Integrate a VSE system with z/VSE components


Software for transaction processing and networking

Use a scalable, low cost-per-transaction platform

Automate data recovery after corruption

Permit bi-directional communication

Natively implement TCP/IP for z/VSE

Audit VSE data processing installation

Speed network communications


Database software and utilities

Work with data across storage media

Manage hierarchical databases

Automate with relational databases for recovery

Sort, merge and copy


Languages and compilers

Extend COBOL in the VSE/ESA environment

Use one programming language

Use this assembly language substitute

Convert both CICS and non-CICS programs

Develop applications using modern EGL

Create programs for data processing

Speed and simplify development

Develop, maintain, and import screen objects


Printing and publishing

Show data on devices and IBM terminals

Turn unformatted S/390 line data into documents


z/VSE connectors

VSE Connector Client

Write Java applications that access z/VSE data and functionality.

APAR level: z/VSE 6.2: PH35841

VSAM Redirector Server

Redirect all accesses to a VSAM file into any file system or database on a Java-enabled platform.

APAR level: z/VSE 6.2: PH35841; Prerequisite: VSE Connector Client

Database Connector

Allow z/VSE applications to access a relational database on any suitable database server.

APAR level: z/VSE 6.2: PH35841

VSE Script Server

Provide access to z/VSE resources using the Java-based connectors without writing Java programs.

APAR level: z/VSE 6.2: PH35841; Prerequisite: VSE Connector Client

VSE Virtual Tape Server

Provide the server part of the VSE Virtual Tape functionality.

APAR level: z/VSE 6.2: PH35841

Linux Fast Path Daemon

Allow TCP/IP apps to communicate with the TCP/IP stack on Linux on Z without a TCP/IP stack on z/VSE.

APAR level: z/VSE 6.2: GA

WebSphere MQ Client for VSE (as-is)

Provides access to remote WebSphere MQ servers from z/VSE applications.


Security-related tools

Keyman/VSE (as-is)

Manage z/VSE-specific public key infrastructure.

Prerequisite: VSE Connector Client

LDAP Query Callable Module (as-is)

Query an LDAP server from programs and retrieve attributes of an LDAP user.

BSM Cross Reference Tool (as-is)

Control the profile definitions in the BSM control file.

RACROUTE encapsulation services (as-is)

Add self-written security checks with a pre- and post-processing interface.


Programming tools and APIs

LE/VSE Control Center (as-is)

Support z/VSE language tasks by exploiting the Connector infrastructure.

Prerequisite: VSE Connector Client

LE z/VSE Run-Time Library Add-Ons (as-is)

Use extra run-time library extensions, designed to enhance functions available with LE for z/VSE.

z/VSE ZIP Programming Interface API (as-is)

Get ZIP support based on the Open Source package zlib.

VSE System class library (as-is)

Use a Java API to access system-related z/VSE system parameters.

Prerequisite: VSE Connector Client

VSE Security class library (as-is)

Access security-related z/VSE system parameters with a Java API.

Prerequisite: VSE Connector Client

VSE ANT Tasks (as-is)

Provides functions, such as submitting jobs, issuing console commands and downloading files.

Prerequisite: VSE Connector Client


Troubleshooting tools

z/VSE CPU Monitor Tool (as-is)

Measure the CPU utilization of your z/VSE system over a period of time.

IP trace tool (as-is)

Read IP packet traces captured with TCP/IP for z/VSE and convert them into the CAP trace format.

Multi Instant Logic Analyzer4VSAM (as-is)

Provide analysis (extent, space map, capacity, HALRBA/HUSRBA, and data space).

LE/VSE CEETRACE Feature (as-is)

Ease application problem analysis with an execution statement history prior to any subsequent application failure.

VSE Health Checker (as-is)

Retrieve, display, and analyze performance data from a z/VSE system with a Java-based utility.

Prerequisite: VSE Connector Client


More tools

TS7700 Bulk Volume Information Retrieval Tool (as-is)

Obtain information about all of the logical volumes a TS7700 manages.

ListVOL1 Utility (as-is)

Read a tape image in AWSTAPE format and print a summary of the contents of the tape.

Installed Software Report Tool

Generate a z/VSE Installed Software Report used for Shop Z.