There are several ways to structure a file system, usually a tree structure directory is used.
The directory is structured in the form of a tree and has a root directory, and every file in the system has a unique path. A directory within a tree-structured directory may contain files or subdirectories. Special system calls are used to create or remove directories
Advantages:
- Data entry can be a file or subdirectories
- Similar files can be grouped in one directory
