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lost cluster[′lȯst ′kləs·tər]
Disk records that are not associated with a file name in a disk directory.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
lost clusterDisk records that have lost their identification with a file name. This can happen if a file is not closed properly, which can sometimes occur if the computer is turned off without quitting the application first. See Chkdsk.
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