To see what is inside without extracting:

For the mainframe professional tired of wrestling with IEBCOPY errors and bloated storage allocations, integrating KTSO Zipset into your daily JCL and TSO routines is a low-effort, high-reward upgrade. As the mainframe continues to integrate with cloud-native pipelines, tools like the KTSO Zipset ensure that the data arrives fast, intact, and secure.

KTSO LIST 'PROD.SOURCE.ZIPSET' Output:

Member Size(Rec) LRECL Created PGM0001 1200 80 2024-01-15 PGM0002 340 80 2024-01-16

Whether you are a system administrator, a data engineer, or a developer dealing with legacy mainframe environments, understanding the KTSO Zipset can save you hours of processing time and gigabytes of storage space.

Inside a TSO session, navigate to the dataset you wish to archive.

KTSO ZIP 'PROD.SOURCE.COBOL' OUTFILE 'PROD.SOURCE.ZIPSET' This command scans the PDS, compresses each member, builds a directory structure (the Zipset), and writes it to a single output dataset.