|11.||Create a file named –x in an empty directory. Explain what happens when you try to rename it. How can you rename it?|
|12.||Suppose that the working directory contains a single file named andor. What error message do you get when you run the following command line?
$ mv andor and\/or
Under what circumstances is it possible to run the command without producing an error?
|13.||The ls –i command displays a filename preceded by the inode number of the file (page 126). Write a command to output inode/filename pairs for the files in the working directory, sorted by inode number. (Hint: Use a pipe.)|
|14.||Do you think that the system administrator has access to a program to decode user passwords? Why or why not (see exercise 6)?|
|15.||Is it possible ...|