Appendix E Filename Extensions

This document, Appendix E, provides a comprehensive list of common filename extensions and their associated attributes or descriptions. It serves as a quick reference guide for understanding the purpose of various file types used in the system. The list includes extensions such as BAK (Backup file), BAT (BATCH), CBL (COBOL source file), CMD (Command file), DAT (DATA file for FORTRAN job), FTN (FORTRAN source file), OBJ (Object module), and TMP (Temporary scratch file), among others. Additionally, the document clarifies that when utilizing the File Utility Package (PIP), file extensions do not inherently imply a specific transfer mode for the data.