fragmentation
| In computing, the breaking up of files into many smaller sections stored on different parts of a disk. The computer operating system stores files in this way so that maximum use can be made of disk space. Each section contains a pointer to where the next section is stored. The file allocation table keeps a record of this. |
| Fragmentation slows down access to files. It is possible to defragment a disk by copying files. In addition, defragmentation programs, or disk optimizers, allow disks to be defragmented without the need for files to be copied to a second storage device. |
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