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The following tables illustrate below the various cluster size
limitations for each particular file systems. Why should you care about
the cluster size of your partition? You can save a great deal of space
by choosing the right file system. For example, if your file is 1K in
size and your cluster size is 32K, then you've just wasted 31K of
"slack" space for that file.
All file systems used by Windows NT organize your hard disk based upon
cluster (or allocation unit) size, which represents the smallest amount
of disk space which can be allocated to hold a file. So when file sizes
do not come out to an even multiple of the cluster size, extra space
must be used to hold the file (up to the next multiple of the cluster
size). On the typical partition, this means that (cluster size)/2 *
(number of files) worth of space is lost this way.
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