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  • Operating Systems
    IBM OS/370, MVS, OS/390, Linux, TPF, VM/CMS, VM/ESA, VSE/ESA, z/VM, z/VSE, z/OS, z/OS.e etc...
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    664 Posts
    Last post by Robert Sample View the latest post
    Thu Aug 25, 2022 6:41 pm
  • Mainframe Security
    All about SAF, RACF, encryption, Firewall, Risk assessment and integrity concepts
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    578 Posts
    Last post by Blackthorn View the latest post
    Fri Feb 11, 2022 9:49 pm
  • System programming
    Ask about System customization & performance, Workload management, I/O device configuration etc.
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    Last post by willy jensen View the latest post
    Wed Jan 04, 2023 2:17 pm
  • All other Mainframe Topics
    Post anything related to mainframes (IBM & UNISYS) if not fit in any of the above categories
    331 Topics
    1637 Posts
    Last post by sergeyken View the latest post
    Sat Dec 10, 2022 2:30 am

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