Resources

GCC COBOL

• Features
• Ubuntu Packages

GCC COBOL Documentation

• GCC manuals
• gcobol manual
• [gcobol-io, the ISAM plug-in interface] (url)

GCC COBOL Debugging

• COBOLworx extended the The GNU Project Debugger to support GCC COBOL with source-level debugging. Packages available for Ubuntu LTS 22 and 24.

GnuCOBOL

• GnuCOBOL Project
• GnuCOBOL and CBL-GDB packages
  • for Windows, Debian/Ubuntu, and Red Hat

GnuCOBOL Documentation

• [GnuCOBOL Programmer’s Guide] (https://gnucobol.sourceforge.io/HTML/gnucobpg.html)
• COBOLworx GnuCOBOL Knowledge Base

GnuCOBOL Debugging

• About the Debugging Extensions
• Debugging Extensions Command List
• Debugging Extensions Walkthrough

Other COBOL-related Documents

• CODASYL Report - The original standards committee’s report on its activities. History as they reported it.
• IBM COBOL E/F Language Reference - 1970.
• Jean Sammet’s 1969 book Programming Languages: History and Fundamentals. Jean was a member of the CODASYL committee with Grace Hopper. She represented IBM and is credited with a significant contribution to the technical aspects of the original COBOL standard.
• The 1401/1410 Tape System COBOL Reference … a 4K system
• The 1970 paper with the text of the Federal Information Processing Standards (FIPS) adoption of American National Standard (ANSI) COBOL as the Federal Standard COBOL. Found in the CIA “reading room”.