Fragmentation, in the context of a hard disk, is a condition in which
the contents of a single file are stored in different locations on the
disk rather than in a contiguous space. This results in inefficient use
of storage space as well as occasional performance degradation. Users
frequently create, modify, delete and save files. Back-end operating
systems (OS) continuously store these files on hard drives, which
inevitably creates scattered files. When fragmentation occurs, the OS
needs to consolidate stored files to enhance processing efficiency.
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