Unix files consist of two parts, the first is data part and another is file name part. The data part is known as inode. It carries the map of, where the data and the file permissions for the data exists.
In other word's we can say that, an inode is a data structure that contains every information about a file such as the disk layout of the file, file owner, the access permission and access time. Every file has one inode.
The Fields of Inode:
In other word's we can say that, an inode is a data structure that contains every information about a file such as the disk layout of the file, file owner, the access permission and access time. Every file has one inode.
The Fields of Inode:
- File Type: a) Regular. b) Directory. c) Character. d) Block Special. e) FIFO (pipes)
- Access Permission: a) Read. b) Write. d) Execute.
- Number of links to the file.
- Identifier of the owner.
- Identifier of the group owner.
- File size in byte.
- Time info: a) At which the file was created. b) At which the file was last accessed. c) At which the file was last modified.
- Disk address of the data in the file
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