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Welcome to the world of KRs (Knowledge Refreshers)

Learn about KRs here

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 Mainframe editions


DB2

JCL/SDSF (spool)

 

 



COBOL

TSO/INSYNC/General mainframes

 

 



REXX tutorial

IMS

 

  • KR 212-215 REXX crash course in 6.5 hours - Day 1 to 4
  • KR 216-219 REXX crash course in 6.5 hours - Day 5 to 8
  • KR 220-224 REXX crash course in 6.5 hours - Day 9 to 13
  • KR 228 Addendum - How to execute REXX codes
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    • KR 229-235 Digging into IMS - DIF, DOF, MID, MOD, DBD, PSB, PCB, ACB, MFS

     

     Non-mainframes section

     

    Financial Management and accounting

    Other miscellaneous topics (networking etc.)