You use DNS (domain name system) to translate between domain names and IP addresses. Similarly files are referred by file name, not by inode number. So what is the purpose of a directory? You can groups the files according to your usage. For example all configuration files are stored under /etc directory. So the purpose [...]
An inode is a data structure on a traditional Unix-style file system such as UFS or ext3. An inode stores basic information about a regular file, directory, or other file system object.
This is second part of “Understanding UNIX/Linux file system”, part I is here. Let us take an example of 20 GB hard disk. The entire disk space subdivided into multiple file system blocks. And blocks used for what? Unix / Linux filesystem blocks The blocks used for two different purpose: Most blocks stores user data [...]
A conceptual understanding of file system, especially data structure and related terms will help you become a successful system administrator. I have seen many new Linux system administrator without any clue about file system. The conceptual knowledge can be applied to restore file system in an emergency situation.
