Mainframe Glossary

Browse 4 mainframe terms defined in plain English, from the cultural dictionary of computing.

4 Mainframe Terms

COBOL

Common Business-Oriented Language, one of the oldest programming languages still in active use. COBOL runs an estimated 95% of ATM transactions and 80% of...

Copybook

A COBOL source code file that defines data structures and is included into other programs at compile time via the COPY statement. Functionally equivalent to...

EBCDIC

Extended Binary Coded Decimal Interchange Code — an 8-bit character encoding created by IBM for mainframes. Predates and is incompatible with ASCII, and still...

JCL

Job Control Language — a scripting language used on IBM mainframes to instruct the system on how to run batch jobs, specifying programs to execute, datasets to...

Related Topics

• Legacy (4 terms in common)
• Cobol (1 terms in common)
• Encoding (1 terms in common)
• Finance (1 terms in common)
• Language (1 terms in common)
• Ibm (1 terms in common)