As the uses of computers going on, there will be the process of adding new files, removing or deleting files occurs frequently. And this will cause some files to be unmanaged, i.e. the parts of some files may be scattered over different locations of the disk. These scattered parts of the same file over different location on the disk is said as fragmentation.
- Fragmentation causes the slow access of disk, files and degrades the overall performance of the disk.