JOB1 restarts at PROCSTP2 as called by JOBSTEP. Because of the RESTART specification, PROCSTP2 is the first step in the job. The system evaluates the COND parameter for PROCSTP2 as false, and the step runs. PROCSTP3 has no COND parameter. PROCSTP4 is overridden as specified on JOBSTEP.

Step 1. allocate a data set to contain your JCL.....10 Step 2. edit the JCL data set and add the necessary JCL.....10

Name field.....70

Job Control Language (JCL) is the command language of Multiple Virtual Storage (MVS), which is the commonly used Operating System in the IBM Mainframe computers. JCL identifies the program to be executed, the inputs that are required and location of the input/output and informs the Operating System through Job control Statements.

2018年10月12日 · MVS is the operating system for the IBM mainframe systems and JCL is the job control language for the mainframe. You could correlate MVS to Linux and JCL to Bash for example. The AS/400 / iSeries / IBM i / i5 is considered a midrange machine.

After completing the JCL tutorial, you will be able to: Explain the basics of JCL. Identify statements and parameters in JCL. Define JCL Procedures, Symbols and others. Describe the significance of GDG. Explain JCL for batch applications. Explain IBM utility concepts. Implement the utilities for basic operations.

作业控制语言 (JCL) 是多虚拟存储 (MVS) 的命令语言，MVS 是 IBM 大型机中常用的操作系统。 JCL 识别要执行的程序、所需的输入以及输入/输出的位置，并通过作业控制语句通知操作系统。 在大型机环境中，程序可以以批处理和在线方式执行。 JCL用于提交程序以批处理方式执行。 谁适合阅读? 本教程对于需要了解作业控制语言基础知识的软件程序员很有用。 此外，本教程将有助于大型机专业人员提高他们在 JCL 方面的专业水平。 需要具备的知识? 本教程面向对大型机环 …

presented in a companion book, OS/390 MVS JCL User's Guide, GC28-1758. Who Should Use This Book This book is needed by system and application programmers who enter programs into the operating system. Those using this book should understand the concepts of job management and data management. Related Information

JCL statements are coded in 80 bytes. 72 of the 80 columns are available to code JCL. Last 8 columns are reserved for an optional sequence number. Each JCL statement is divided into several fields. Let's us see each field in detail, 1. Identifier Field: The identifier field identifies a record as a JCL statement.

JCL Tutorial - Listed some of the important JCL coding for practice. Modify this sample JCL's as per your requirement. TSO-ISPF JCL COBOL VSAM DB2 CICS IMS-DB Tools Articles Forum Quiz Interview Q&A