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.

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.

Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem. [1] The purpose of JCL is to say which programs to run, using which files or devices [ 2 ] for input or output, and at times to also indicate under what conditions to skip a step.

有许多适用于 Windows 的免费大型机模拟器，可用于编写和学习示例 JCL。 Hercules 就是这样的模拟器之一，通过执行下面给出的几个简单步骤，可以轻松地将其安装在 Windows 中: Hercules 是大型机 System/370 和 ESA/390 架构以及最新 64 位 z/Architecture 的开源软件实现。 Hercules 在 Linux、Windows、Solaris、FreeBSD 和 Mac OS X 下运行。 用户可以通过多种方式连接到大型机服务器，例如瘦客户端、虚拟终端、虚拟客户端系统 (VCS) 或虚拟桌面系统 (VDS)。 每个有 …

JCL (Job Control Language) is a programming language used on IBM mainframe operating systems. It is a language with a set of predefined instructions that are used by the JOB ENTRY SUBSYSTEM (JES2 or JES3) to instruct the system on how to run a batch job or start a subsystem. Objective and Audiences -

Learn about essential and most frequently used JCL statements and parameters, as well as coding techniques. JCL statements tell z/OS where to find the appropriate input, how to process that input (that is, what program or programs to run), and what to do with the resulting output.

2016年12月12日 · 下载jcl，还要下载 https://github.com/project-jedi/jedi 里的2个inc文件. 放到jcl-master\jcl\source\include\jedi目录里。 运行jcl\install.bat 安装。 没有dpk工程文件。 运行bat …

2019年6月18日 · JCL这个日志框架跟Log4J，Java Logging API等日志框架不同。JCL采用了设计模式中的“适配器模式”，它对外提供统一的接口，然后在适配类中将对日志的操作委托给具体的日志框架，比如Log4J,Java Logging API等。 在JCL中对外有两个统一的接口，分别 …

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2014年8月29日 · This document provides an introduction to using Job Control Language (JCL) and the System Display and Search Facility (SDSF) on IBM mainframe systems. It explains the basic components of JCL, including the JOB, EXEC, and DD statements.