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cluster

(1) Two or more systems working together. See clustering.

(2) Also called an "allocation unit" or "file allocation unit," it is some number of disk sectors that are treated as a unit. A cluster is the smallest unit of storage the operating system's file system can manage. That means if a 1KB file is stored in a system with a 32KB cluster (see table below), the 1KB file takes up 32KB of disk space. Following are the cluster sizes for the FAT file systems on Windows/DOS computers. See FAT, FAT32 and lost cluster.

 FAT16
 Disk Size Cluster size
0-128MB 2KB
128-256MB 4KB
256-512MB 8KB
512MB-1GB 16KB
1-2GB 32KB
 FAT32
Disk Size Cluster size
512MB-8GB 4KB
8-16GB 8KB
16-32GB 16KB
32GB+ 32KB





similar terms
Entries before cluster
CLR language
CLS
CLSID
cludge
cludgy
Entries after cluster
cluster controller
clustering
Cluster Server
CLUT
CLV
 




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