Mainframe Tutorials

A Complete Reference for Mainframe Programmer

Our mission is to deliver completly free online mainframe tutorials and connecting every Mainframe programmers across the globe in a single platform for Learning, Knowledge Sharing, Job opportunity and Discussion.

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COBOL Tutorial

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Db2 Tutorial

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VSAM Tutorial

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CICS Tutorial

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IMS-DB Tutorial

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REXX Tutorial

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Easytrieve Tutorial

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Db2 Tutorial

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Python Tutorial

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Pandas Tutorial

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Django Tutorial

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What is Mainframe Computer??

Mainframes are high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time. The mainframe is critical to commercial databases, transaction servers, and applications that require high resiliency, security. and agility.

Who uses Mainframes?

Mainframe computers are utilized by large industries because they are some of the only hardware that can easily process massive amounts of transactions.

Many of the world’s top companies use mainframes, these systems are made for businesses of all sizes – and are available through public, private or hybrid cloud.

Examples : E-Commerce, Banking, Health Care, The Military, Academics And Research, Retail and many more.

What does a Mainframe programmer do?

Mainframe programmers write and test code that allows Mainframe applications and programs to function properly. They turn the program designs created by Mainframe developers and engineers into instructions that a computer can follow.

In addition, Mainframe programmers test newly created applications and programs to ensure that they produce the expected results. If they do not work correctly, Mainframe programmers check the code for mistakes and fix them.

How to become a Mainframe programmer?

There are certain skills that are required to became a Mainframe Programmer. We compiled a list of most important Mainframe tutorials for Mainframe programmer.

Listed below frequently used Mainframe tools.

  • DB2 SQL Tools - QMF, SPUFI

  • File Handling Tools - File Manager, File-AID, InSync

  • Version Control Tools - Endevor, Changeman

  • Debugging Tools - Trace Master, Xpediter

  • Scheduling tools - OPC, Control-M, ESP Scheduling

  • Fault Analysis Tools - Abend-AID, DumpMaster