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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. Learn about the history, features, syntax and terminology of JCL and its variations.
IEFBR14 is a placeholder program that returns exit status zero and can create or delete data sets using JCL. It was originally used to fill the role of a null statement in OS/360 and derived systems, and later became a started task for device deallocation.
Creating an unload of a partitioned data set (PDS) to a PS dataset, for backup or transmission. Copying a PDS in place to reclaim the unused space from deleted members; also called compressing a PDS. Copying selected members to another PDS.
Apache Commons Logging is a Java-based logging utility and a programming model for logging and other toolkits. It provides APIs, log implementations, and wrapper implementations over some other tools, and supports different log levels and configurations.
Java Class Library (JCL) is a set of standard class libraries for Java Virtual Machine (JVM) languages. It provides common functions, abstract interfaces, and platform-independent features for various tasks such as I/O, networking, GUI, and security.
Control Language (CL) is a scripting language for system administration on IBM i, formerly known as OS/400. It consists of command objects (*CMD) that invoke programs or get help, and can also create CL programs with program-like functionality.
A Data Control Block (DCB) is a description of a dataset in a program for IBM mainframe operating systems. It is coded in Assembler or high level language using the DCB macro instruction or library routines.
An environment variable is a user-definable value that can affect the way running processes will behave on a computer. Learn about the design, syntax, assignment and usage of environment variables in different operating systems and shells.