Uses of Directories and Names:
Definition and Explanation of Directory:
Pile system is used to organize files and other file system objects by using
directories. A directory or folder is a file system object that contains other
file system objects. Actually, a directory is an object that contains the name of
file system objects. In a system with one-to-one mapping between names and
objects, the distinction between name and object is not very important. In some
file systems, objects can have multiple names or no name, In this situation,
the distinction become important.
The entries in directories determine full pathname or names associated with a
file system object. Starting with root directory, the full pathname is
constructed by concatenating the sequence of names. Consider the file
system in the following figure. The directory D1 contains the names: D2, D3 and
F1. The directory D2 contains no names. The directory D3 contains the names F1
and F2.
The above organization defines the following six full pathnames on Unix:
- /D1
- /D1/F1
- /D1/D2
- /D1/D3
- /D1/D3/F1
- /D1/D3/F2
In Windows and DOS, the names would be same. The difference is that front slash
"/" will be replaced by back slash "\".
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