This section lists the major changes that have been made to COBOL for AIX in Version 4. The changes that are described in this information have an associated cross-reference for your convenience. The changes with respect to COBOL for AIX Version 3 (both technical changes and editorial changes to terminology) are marked by a vertical bar (|) in the left margin in the PDF version.
For further details, see the COBOL for AIX Language Reference.
The following terminology change was also made in this release: VSAM as a generic reference to either the SdU (SMARTdata Utilities) or Encina SFS (Structured File Server) file system has been replaced with the more precise terms SdU or SFS where appropriate.