Explain the use of B*-trees on early Mac OS file systems.
What will be an ideal response?
ANSWER: In early Mac versions, the B*-tree file system is also used to organize the directory hierarchy and file block mapping. In this file system, files are nodes (records or objects) containing file data.Each node is 512 bytes. The nodes containing actual file data are called leaf nodes; they are the bottom level of a B*-tree file. The B*-tree also has the following nodes that handle file information:
* The header node stores information about the B*-tree file.
* The index node stores link information to previous and next nodes.
* The map node stores a node descriptor and map record.
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