Definition of volume in The Network Encyclopedia.

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What is Volume (in computer science)?

Volume is, in MS-DOS and earlier Microsoft Windows platforms, a portion of a hard disk that can be formatted with a file system and can have a unique drive letter assigned to it. In Windows 2000, a volume is a logical storage entity composed of portions of one or more physical disks. Windows 2000 volumes can be formatted using the NTFS file system or file allocation table (FAT) and can be assigned a drive letter.

Windows 2000 supports two different types of disk storage: