Basic Disks and Dynamic Disks

Windows XP's disk management tools go beyond anything Windows 9x system had, although Windows NT users will certainly recognize them.

Every operating system uses partitions to help organize the data stored on hard drives. In all Windows and DOS machines, all physical hard drives are (usually) completely filled with one partition each, unless you indicate otherwise. These partitions are denoted by a drive letter (C:, D:, and so on). You can divide these physical partitions into what is known as a logical partition. Logical partitions look and behave like separate physical drives on your computer system. Each logical partition gets its own drive letter and directory system, separate from the other partitions.

In Windows ...

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