MARC 21 microcomputer diskettes contain label files that identify and characterize the volume(s) and the file(s) of MARC 21 records. The label files are used to transfer non-MARC information between an originating system and a receiving system. The label files are written using only ASCII Latin characters. A volume label file is required for each new physical volume (i.e. each diskette). A file label file is required for each named file of MARC 21 records. Diskettes should also bear an external eye-readable label which lists the Originating System ID ( ORS), the Volume ID ( VID), and the Date Volume(s) Compiled ( DAT).

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Part 2: Diskette Transfer (Exchange Media)

Exchange Media