When set to "1" (on, true, yes), this variable enables the automatic closing of all files except print files when a program performs an EXIT PROGRAM statement. When set to "2" it enables the automatic closing of all files when a program exits. When set to "0" (off, false, no), no files will be automatically closed. For more information, see the User's Guide, section 2.7.5, "File Handling Options." The default value is "0".