❑ inode : This is a data structure used in Unix/Linux file system. Each file has its own inode, and the inode stores property about the file.
* About 1% of the total space of the file system is used for inodes. When this space is full, no more files can be created(df -i).
❑ The contents of inode(POSIX)(64 Bytes)
Content | Description |
File mode | File's permission(drwxrwxrwx)(2 Bytes). |
Number of links | Number of Hard links. |
User ID | UID of the file. |
Group ID | GID of the file. |
Device ID | Determining the scope to which the serial number can be identified. |
File path | Address of the file. |
Access time | A timestamp value. |
Modify time | A timestampt value. |
Change time | A timestamp value(More info - Link). |
File size | Byte unit. |
Serial number | Unique ID of the file for identification purpose(inode number). |
I/O block size | The size of the configured I/O block. |
Allocated blocks | The number of blocks allocated to this file. |