Course Description

MVS Callable Interface Course for Programmers

Duration: 1 day

This course explains the sub-routine calls that enable an application program to read from and write to non-relational files in StorHouse (or the Storage Machine). It covers sequential and VRAM (Virtual Record Access Manager) file processing. Course material includes a Programmer's Guide containing examples of the function call statements.

Prerequisites: None

Course Objectives:

Upon completion of this course the students will:

  • Identify the components of the StorHouse (or Storage Machine) host software


  • Identify the Callable Interface software


  • Understand the functionality of the LSMCALL statement


  • Establish a session link between an application and StorHouse (or Storage Machine)


  • Open and close and transfer files or records with a program


  • Retrieve text messages with the EMSG function


  • Execute administrative command from within a program


  • Calculate sizes of files to be stored within StorHouse (or the Storage Machine)

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