Optimize and modernize PL/I applications on IBM z/OS systems

IBM® Enterprise PL/I for z/OS® is a software development environment for building and maintaining PL/I applications on IBM z/OS operating systems. The enterprise solution allows you to incorporate modern web technology, such as web services, XML and Java®, into your existing PL/I applications.

Enterprise PL/I for z/OS allows you to capitalize on existing IT investments while modernizing your infrastructure.

Powerful development environment

Web interoperability

Middleware support

Integration and collaboration tools

Enterprise PL/I for z/OS resources

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Enterprise PL/I for z/OS

Optimize and modernize PL/I applications on IBM z/OS systems

IBM Software Subscription and Support is included in the product price for the first year.

Not available to purchase online. Other ways to purchase or learn more.

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System requirements

Enterprise PL/I for z/OS V4.3 runs under the control of, or in conjunction with, the currently supported releases of the following programs and their subsequent releases or their equivalents. For more information on the following programs that require program temporary fixes (PTFs), refer to the Program Directory and the preventive service planning (PSP) bucket.


Operating SystemSoftwareHardware
z/OS z/OS V1.12 (5694-A01), or later is a required licensed program.

Optional licensed programs

Depending on the functions used, one or more of the following programs might be required:

• CICS Transaction Server for z/OS, V4 (5655-S97)
• CICS Transaction Server for z/OS, V3 (5655-M15)
• Enterprise COBOL for z/OS, V4 (5655-S71)
• Enterprise COBOL for z/OS and OS/390, V3 (5655-G53)
• IBM DB2 10 for z/OS (5605-DB2)
• IBM DB2 10 for z/OS VUE (5697-P31)
• IBM DB2 V9 for z/OS (5635-DB2)
• IBM DB2 V9 for z/OS VUE (5697-P12)
• IBM Debug Tool for z/OS, V12 (5655-W70)
• IBM Debug Tool for z/OS, V11 (5655-W45)
• IBM Debug Tool for z/OS, V10 (5655-V50)
• IBM DFSORT element of z/OS (5694-A01)
• IBM High Level Assembler/MVS and VM and VSE (5696-234)
• IBM IMS V12 (5635-A03)
• IBM IMS V11 (5635-A02)
• IBM IMS V10 (5635-A01)
• For C/C++ with Enterprise PL/I -- You must use the XL C/C++ feature of z/OS (5694-A01)
Enterprise PL/I for z/OS V4.3 will run on the following IBM servers:

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