File names for label files must accommodate dissimilar operating systems, such as Windows, PC-DOS, MS-DOS, APPLE-DOS and Macintosh environments. While certain operating systems have more flexible naming conventions than others, label files are named according to DOS filename conventions that specify filenames of 1-to-8 characters and a 1-to-3 character extension. Alphabetic characters in filenames and extensions shall be in uppercase.

Volume label files are named "VOL.nnn" (nnn are numerics designating the volumes, e.g., VOL.001, VOL.002). The 3-digit numeric extensions in the filename are assigned in a sequential order, and the highest number in the extension will equal the total number of volumes in a transaction.

File label files are named "FIL.nnn" (nnn are numerics designating the files, e.g., FIL.001).

Record files are named according to DOS naming conventions that allow names of 1-8 characters in length, a 1-3 character extension, etc. (e.g., SERMARC.nnn). The 3-digit numeric filename extension of the bibliographic file will match the 3-digit numeric filename extension of the file label with which it is associated.

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Part 2: Diskette Transfer (Exchange Media)

Exchange Media