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volume table of contents

volume table of contents in Technology

(VTOC) /V-tock/ A special file on a disk, which contains a list of all the ordinary files on the disk and their addresses. Also called a directory.
The term is used mostly with large mainframe disk drives. Storage administrators will often refer to the VTOC to obtain information on the number of files stored on a disk.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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