Displaying Inode Number of a File

B

The correct answer to the question is option B: "ls".

Explanation: An inode (short for index node) is a data structure used by the Linux file system to store information about a file or a directory. Each file and directory in a Linux file system is associated with an inode number that uniquely identifies it.

To display the inode number of a given file, you can use the "ls -i" command. The "-i" option is used to display the inode number along with the other information about the file, such as its permissions, owner, size, and modification time.

For example, if you want to display the inode number of a file called "example.txt" in the current directory, you can run the following command:

bashCopy code
ls -i example.txt 

The output of this command will show the inode number of the file along with its other details, like this:

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1234567 example.txt 

Here, "1234567" is the inode number of the file "example.txt".

Option A, "inode", is not a valid command in Linux. "ln" is used to create hard or symbolic links to a file, while "cp" is used to copy files from one location to another. Neither of these commands can be used to display the inode number of a file.