Online 390 Introduction eLearning

OS 390 eNetwork Server This course provides an introduction to the capabilities and business uses of the IBM OS/390 eNetwork Server. It covers platform and protocol support, and a system-wide view of the function of a communications server in business. This course is written to OS/390 2.x. This course is designed as an introductory course for managers, system administrators, and programmers.  more...

OS 390 Introduction This course is an introduction to the IBM OS/390 integrated network operational environment. OS/390 presents all the elements of the S/390 system in one integrated package. This course provides a brief background to mainframe systems, and describes the basic functional areas of the OS/390 environment. The course describes the evolution of OS/390 from IBM's original MVS system and provides a  more...

OS 390 MVS JCL Introduction This course provides detailed information about Job Control Language and methods for coding it to perform data processing jobs in an MVS environment. The course reviews the overall structure and purpose of JCL and introduces the three main JCL statements. The course then covers the coding of the JOB and the Execute (EXEC) statements in detail. It also describes how to analyze job output listings,  more...

OS 390 MVS JCL Intermediate This course builds and extends the skills and knowledge developed in OS/390 MVS JCL Introduction (38053). This intermediate course introduces techniques to increase the student's effectiveness as a system user and JCL programmer. The course discusses special DD statements that can extend the student's capabilities and provide relief from repetitive coding in JCL. In particular, students will learn  more...

OS 390 MVS JCL Advanced This course builds and extends the skills and knowledge developed in the OS/390 MVS JCL Introduction and Intermediate courses (38053, 38054). This advanced course introduces techniques to increase effectiveness as a system user and JCL programmer. The course reviews and extends basic concepts and skills related to the use of procedures. A review of addition, override, and nullification statements  more...

OS 390 MVS ESA Fundamentals of VSAM Part I This course covers the concepts needed to design, or code, applications that use the Virtual Access Storage Method (VSAM). It begins with an overview of VSAM, describes what VSAM does for application programs that request its services, the four types of VSAM datasets, followed by a detailed explanation of the VSAM entry-sequenced dataset. The course then examines the physical organization of a  more...

OS 390 and the Internet This course provides an introduction to the Internet and to network computing. The course outlines how the Internet is structured, and presents the number of ways in which it can be used. The course also describes the OS/390 operating system and the specific IBM Internet servers that run on it, and outlines how these elements can provide a secure, open platform for the Internet applications. This  more...

OS 390 WebSphere Application Server This course addresses the OS/390 WebSphere Application Server, its various components, its function as middleware, and its capabilities. It also discusses the creation of servlets, access and security, and usage tracking. The course begins with an introduction to the WebSphere Application Server, designing the server, and maintaining the server. Access and tracking, setting up access levels and  more...

OS 390 Introduction to e-business This course provides an introduction to the elements that should be taken into consideration before a company gets involved with e-business using OS/390. The course provides a complete overview of the main aspects of e-business that will affect the initial planning stage of an e-business project. The various considerations that need to be made when planning the hardware requirements and the  more...

OS 390 Introduction to CICS Transaction Server The OS/390 CICS course provides general information about Customer Information Control System (CICS) and methods for employing it to perform basic Online Transaction Processing (OLTP) tasks in a mainframe environment. The course reviews the overall structure and purpose of CICS and introduces basic command levels for CICS in the following areas: management of data and databases, data communication  more...

OS 390 Assembler Language Programming Introduction This course provides a basic introduction to programming at the Assembler level. The architecture of IBM System /390 is presented with an emphasis on storage addressing, use of registers, and instruction formats. The format of both Assembler Language and Machine Language instructions is covered along with the operation of the Assembler program which translates one to the other. The use of decimal,  more...

OS 390 C Programming This course provides an introduction to programming in the C Language under OS/390. First the course provides an understanding of the elements of the C language. The course introduces many important concepts concerning C object-oriented programming (OOP). It describes the concept of a class with member variables and methods. The course continues with additional important OOP concepts which relate  more...

OS 390 Introduction to ISPF ...390 Introduction to ISPF, introduces the fundamental functions and utilities available in the panels and subpanels of the ISPF Primary Option Menu. ISPF is a multifaceted development tool set for the OS/390 system, and has been used extensively by OS/390 programmers to increase productivity of host-based application development projects. The course also provides an overview perspective of the  more...

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Assembler System/390 Basic This course is an introduction to System/390 assembler programming in an OS/390 environment. It teaches the student assembler programming skills including system conventions, assembler, and machine and macro instruction usage. In the laboratory sessions the student is guided in creating assembler programs: these include re-entrant code, the use of bi-modal addressing and execution in access  more...