
z/OS COBOL program development and testing ( using zOS JCL )
November 6, 2025 version - WINZOS 7.5
* Supporting dB2 (Community Version) plus a basic CICS emulation
* Install files are scanned by Windows Defender and Malwarebytes
* Implements significant WINIDE improvements
* Fixed RECFM=VB DSORG=PS support
* XML GENERATE is pseudo functional - occurs in COBOL source corrupts​
* Some late arriving features were added on Nov 11, 2025
After download rename WINZOS75.CSV to WINZOS75.EXE
The install starts with clicking on WINZOS75.EXE in your folder

WinCOBOL is the website for WINZOS and WINIDE
WINIDE is for general COBOL programming - No zOS features
WINZOS / WINIDE are Free To Use Software NO LICENSE FEES
WINZOS is a zOS/ISPF simulation - a zOS like IDE for developers
Edit with an ISPF editor
Compile zOS Enterprise COBOL using GnuCOBOL
Test with JCL use a kinetic debugger akin to Xpediter (an animator)
Primarily for use by those familiar with IBM mainframe COBOL
Included are the following:
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zOS IBM mainframe look and feel
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An IDE to compile, an ISPF editor, a break point dialog
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Command Technology SPF/Pro Editor
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GnuCOBOL a free open source COBOL compiler and RTS
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An animator (Xpediter like) for debugging applications
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Videos depicting the use of WINZOS
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EBCDIC files (not source) supported - Translation NOT required
Limitations:
Procedure division copybooks not implemented (in animation)
This is a Windows 7 /10 /11 product - Linux is not supported
Directories with embedded spaces are not supported
Free format COBOL syntax is not supported
Not to be used as a production facility​​​​
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Copyright 2020 - 2025 WinCOBOL
Portions of WINZOS are from the open source GnuCOBOL Project
www.gnu.org/software/gnucobol. GCSORT is an open source project.
Expert assistance provided by Chuck Haatvedt and Simon Sobisch