Overview
COBOL is a high-level programming language designed for business, finance, and administrative systems. It was developed beginning in 1959 with the goal of creating a portable, English-like language that non-specialist managers and programmers could read and maintain. COBOL programs are typically organized around data records and batch or transaction processing.
Main characteristics
COBOL emphasizes clear, verbose statements and strong support for fixed-format records, decimal arithmetic, and file handling. Its source code is divided into logical divisions and paragraphs—such structure promotes readability and helps separate data descriptions from executable procedures.
- English-like syntax intended for clarity.
- Built-in facilities for fixed-point decimal arithmetic.
- Designed around file and record processing.
- Structured into identification, data, and procedure areas.
History and standards
The language was created as a collaborative effort between industry, government, and academics in the late 1950s and standardized by committees in subsequent decades. Over time COBOL evolved through revisions that added structured programming constructs and, later, object-oriented extensions to address modern software design needs.
Uses and importance
COBOL has been widely used in banking, insurance, payroll, government records, and large-scale batch processing. Many organizations still run critical services on COBOL systems because of the language's reliability, mature compilers, and the enormous volume of business logic encoded over decades. Maintenance, integration with modern systems, and migration are common ongoing activities.
Notable facts and distinctions
Although newer languages dominate greenfield development, COBOL remains notable for its longevity and domain focus. Its distinctive features—readability, explicit data descriptions, and strong decimal handling—differentiate it from general-purpose languages that prioritize terse syntax or different numeric models.