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inode (File attributes (Device ID, File serial numbers, The file mode…
inode
File attributes
Device ID
File serial numbers
The file mode which determines the file type and how the file's owner
A link count telling how many hard links point to the inode
The User ID of the file's owner
The Group ID of the file
The device ID of the file if it is a device file
The size of the file in bytes
Timestamps
The preferred I/O block size
The number of blocks allocated to this file
Implications
Files can have multiple names
An inode may have no links
It is typically not possible to map from an open file to the filename that was used to open it
It was possible to hard link directories
A file's inode number stays the same when it is moved to another directory on the same device
Installation of new libraries is simple with inode filesystems
Data structure in a Unix-style file system
Describes a filesystem object such as a file or a directory
Stores the attributes and disk block location(s) of the object's data
Filesystem object attributes may include metadata
Times of last access
Times of last change
Times of last modification
Directories are lists of names assigned to inodes
A directory contains an entry for itself, its parent, and each of its children