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Volume
A volume is either a full disk, or a section of a disk, partitioned into separate parts. If you partition a single drive then each partition is considered a volume.
- The maximum volume size under System 6 and System 7 is 2 GB. System 7.5 increased that limit to 4 GB and System 7.5.2 (and later) increases that limit to 2 TB on some computers, including:
________- any computer that came with System 7.5.2 or newer.
________- any Macintosh computer with PCI slots.
- The maximum number of volumes is theoretically limited to 173 due to the maximum number of open files in the Mac OS. Since there are other files that are opened when the computer boots up, the actual maximum will vary depending upon how many other files are open by the operating system.
- The maximum file size is 2 GB.
- The maximum number of files on a volume is 65,536.
- The maximum number of files in a folder is 32,767.
- The maximum size of the data fork in a file is 2 GB.
- The maximum size of the resource fork in a file is 16 megabytes.