{"id":1325,"date":"2021-05-10T11:52:01","date_gmt":"2021-05-10T08:52:01","guid":{"rendered":"https:\/\/www.scalahosting.com\/kb\/?p=1325"},"modified":"2022-05-19T18:38:42","modified_gmt":"2022-05-19T15:38:42","slug":"what-is-an-inode","status":"publish","type":"post","link":"https:\/\/www.scalahosting.com\/kb\/what-is-an-inode\/","title":{"rendered":"What is an \u201cinode\u201d?"},"content":{"rendered":"\n

An inode is a unique record number for all information about a file or folder in Linux and Unix systems. Every file on your web hosting account has an inode assigned to it. <\/span><\/p>\n\n\n\n

To ensure stability and consistency in its system, servers treat every component as a file. This includes system processes, hardware devices, and directories. <\/span><\/p>\n\n\n\n

Conventional files such as videos, text, music, or other multimedia files all come with metadata data.<\/span><\/p>\n\n\n\n

To access a file, the user inputs the filename, but in the system, the filename is linked to respective inode numbers stored in a table structure\u2014making this possible. <\/span><\/p>\n\n\n\n

The inode, therefore, is responsible for managing the file metadata information necessary to read this file in a table structure.<\/span><\/p>\n\n\n\n

How do Inodes Relate to the Structure of a File System?<\/b><\/h2>\n\n\n\n

Think of inodes as a data structure that points to blocks that make up a file.<\/span><\/p>\n\n\n\n

Data blocks and inodes are the two components of a file system. Once the system creates a file directory, the number of data blocks remains fixed and cannot be changed.<\/span><\/p>\n\n\n\n

The directory does not contain the path, name, position, links, or other file properties. Directories instead include the file names and the inode numbers that correspond to them.<\/span><\/p>\n\n\n\n

You can create a hard link in the file system, resulting in one file having multiple names. A hard link generates a new name in the table with the same inode but doesn\u2019t transfer the file.<\/span><\/p>\n\n\n\n

To maintain a hard link, an inode doesn\u2019t contain the name of a file. Instead, it stores other information, separated from the file name, that lets you access various file names pointing to one inode.<\/span><\/p>\n\n\n\n

If you were moving a bulky file, it is rather efficient to create a new name in a new directory first and delete the old directory. You may also rename old files the same way.<\/span><\/p>\n\n\n\n

Within the server file system hierarchy, the file names are linked to the inodes, which connect to the physical data.<\/span><\/p>\n\n\n\n

Attributes of an Inode and How it Works?<\/b><\/h2>\n\n\n\n

Inodes are found at the start of a partition. This partition acts as a boundary in your web hosting account disk that indicates how much space a file system can use.  <\/span><\/p>\n\n\n\n

When you create a new file, the system assigns a file and inode number, which it stores as entries in an index. If you search for a file by name, the system looks for the associated inode number in the file directory where it resides.<\/span><\/p>\n\n\n\n

An inode number has the following attributes:<\/span><\/p>\n\n\n\n