Hard Drive is the most important storage device in your computer to store your precious data. You can store big amount of data on it and can manage the data and space very easily. To store data more effectively, hard disk is divided into several partitions (called logical partitions). These partitions maximize the storage space and help you to prevent data loss conditions in case of operating system crash. Some special methods are used to divide your hard drive into partitions. In windows operating system these methods are FAT and NTFS file systems.
Among FAT and NTFS files systems, FAT is the file system that is most commonly used in computers. It stands for File Allocation Table. It is a table that Operating System maintains on the hard drive that provides a map of clusters. Cluster is the primary unit of logical storage on the hard drive. When you create a new file on a hard drive, it is stored in one or more clusters depending on the file of size.
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