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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. [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.
IEFBR14 consisted initially of a single instruction a "Branch to Register" 14. The mnemonic used in the IBM Assembler was BR and hence the name: IEF BR 14.BR 14 is identically equivalent to BCR 15,14 (Branch Always [ mask = 15 = always ] to the address contained in general purpose register 14).
However, referencing volumes can pose a problem, since specifying DISP=OLD gains exclusive access to a volume. Therefore, while your IEHMOVE job runs, that entire volume (and all datasets on it) is unavailable to other users.
A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...
Hints for Today's Connections Sports Edition Categories on February 12, 2025. Here are some hints about the four categories to help you figure out the word groupings.
This was probably learned when she faced — as a 7-year-old — the unimaginable grief of her mother’s sudden and unexpected death. With difficulty, due to osteoporosis in her spine, Mom tilts ...
We've been covering Old Navy's half-off sale for the past week, and the deal our readers are checking out the most is the Relaxed Car Coat, down from $79.99 to just $39.99 today. It's available in ...
JCL—Job Control Language; JCP—Java Community Process; JDBC—Java Database Connectivity; JDK—Java Development Kit; JEE—Java Enterprise Edition; JES—Job Entry Subsystem; JDS—Java Desktop System; JFC—Java Foundation Classes; JFET—Junction Field-Effect Transistor; JFS—IBM Journaling File System; JINI—Jini Is Not Initials; JIT ...