IMS Version 9 operates in z/OS Version 1 Release 4 (or later) configurations and requires the following minimum version, release, or modification levels:

• z/OS Version 1 Release 4 (5694-A01)
  • DFSMS*
  • SMP/E*
  • JES2*
  • JES3*
  • TSO/E*
    Note:
    * These items are base elements of the z/OS operating environment that cannot be ordered separately.
  • IBM High-Level Assembler Toolkit (5696-234), a separately orderable feature of z/OS
  • RACF® (available with the IBM SecureWay® Security Server for z/OS and OS/390 RACF product) or equivalent product, if security is used
  • ISPF Version 4 Release 2 (5655-042)
  • e-Network Communications Server for z/OS, if IMS Transaction Manager is used
• IRLM Version 2.1 or later (5655-DB2), if data sharing is used

IMS Version 9 also operates in a virtual machine (VM) under the control of z/OS Version 1 Release 4. This environment is intended for use in a program development, testing, and non-XRF production environment.

CICS Subsystems Supported

IMS DB Version 9 can be connected (using the IMS Database Resource Adapter) to the following systems:

• CICS Transaction Server for z/OS Version 2.2 (5697-E93)
• CICS Transaction Server for OS/390 Version 1.3 (5655-147)

IMS TM Version 9 can be connected (using the appropriate TM interface) to the following systems:

• CICS Transaction Server for z/OS Version 2.2 (5697-E93)
• CICS Transaction Server for OS/390 Version 1.3 (5655-147)

DB2 Subsystems Supported

IMS TM Version 9 can be connected to any of the following DB2 products:

• DB2 UDB for z/OS Version 8 (5625-DB2)
• DB2 for z/OS and OS/390 Version 7 (5675-DB2)
• DB2 Universal Database for OS/390 Version 6 (5645-DB2)

Programming Language

IMS Version 9 is written in High Level Assembler Release 2, PL/X, C, C++, and Java JDK Version 1.3.

Programming Languages Supported

You can write IMS applications in the current versions of the following languages:

• ADA
• COBOL for OS/390 & VM
• Enterprise COBOL for z/OS and OS/390
• High Level Assembler for MVS™ & VM & VSE Version 1 Release 4.0
• IBM SDK for z/OS Java 2 Technology Edition, Version 1.3.1
• PL/I for z/OS and OS/390
• TSO/E REXX
• VS Pascal
• WebSphere Studio Site Developer Version 5.0
• z/OS C/C++

Requirement:  The following languages require the IBM Language Environment® for z/OS:

• COBOL for OS/390 & VM
• PL/I for z/OS and OS/390