Online 390 Mvs Concepts eLearning

OS 390 UNIX System Services Concepts Facilities This course provides an overview of the OS/390 Shell and Utilities, which provide commands for using OS/390 UNIX System Services. The course covers a brief history of UNIX, information about the OS/390 shell, the MVS and shell environments, and customizing the shell. The terminal interface is introduced, which covers OMVS, and asynchronous terminal interface. The course covers shell scripts and  more...

OS 390 UNIX System Services Intermediate This course provides an in-depth examination of the OS/390 shell and OS/390 UNIX services, including basic system administration commands and concepts. This course is designed for application programmers, system programmers, and end users working on an MVS system and using OS/390 UNIX services for the OS/390 shell.  more...

OS 390 MVS Concepts and Facilities This course introduces the IBM Multiple Virtual Storage environment. It explains concepts and facilities, and its role within the S/390 system. The course covers MVS functions and system programs, data storage management, and application development.The course explains the role of MVS and identifies the data processing resources affected by the MVS operating system. The first topic presents a  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 MVS ESA Fundamentals of VSAM Part II This course explains how VSAM adds and deletes records to and from a KSDS. It describes how VSAM manages the space within the data components of the KSDS when it performs additions or deletions. Also covered is the organization and function of an alternate index, how and when an alternate index can be used, and how an alternate index relates to an existing ESDS or KSDS. It describes the role that  more...