The document discusses the advantages and limitations of tree-structured directories. The advantages are that users can create their own subdirectories to organize files by topic, and can access other users' files by specifying the path name. The limitations are that subdirectories cannot be shared between users, and the path to a file can be longer than in a two-level directory structure.

1. Advantages of Tree Structured Directories
• User can create his own sub directories
• Separate directories for files associated with different topics
can be created
Ex:
The directory programs may contain source programs
The directory bin may store all binary files
• Users can access other user’s files by specifying the path
name
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2. Limitations of Tree-Structured Directories
• Sub directories can not be shared between users
• Path to a file can be longer than that in a two-level
directory
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3. Frequently Asked Questions
1. Explain how a directory is deleted from a tree
structured directory
2. List the advantages and disadvantages of a tree
structured directory
3. Explain acyclic-graph directory structure with the help
of a diagram
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