The standard file system supplied with ACUCOBOL-GT is the Vision indexed file system from Acucorp. (On VAX VMS systems, RMS is used instead of Vision.) Vision offers a wide variety of features, including variable-length records, data compression, and data encryption.
At your option, Vision can be replaced by (or used in conjunction with) other indexed file systems such as C-ISAM, MINISAM and Btrieve; database management systems such as Informix, Oracle, Sybase, and Microsoft SQL Server; and data sources accessible through ODBC. This is possible because all of ACUCOBOL-GT's I/O passes through a generic file handler that can accommodate a wide variety of protocols:
