| 11.
|
What is an inode? What happens to the inode when you move a file within a filesystem?
|
| 12.
|
What does the .. entry in a directory point to? What does this entry point to in the root (/) directory?
|
| 13.
|
How can you create a file named i? Which techniques do not work, and why do they not work? How can you remove the file named i?
|
| 14.
|
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?
|
| 15.
|
The ls i command displays a filename preceded by the inode number of the file (page 193). Write a command to output inode/filename pairs for the files in the working directory, sorted by inode number. (Hint: Use a pipe.)
|
| 16.
|
Do you think that the system administrator has access to a program that can decode user passwords? Why or why not? (See exercise 6.)
|
| 17.
|
Is it possible to distinguish a file from a hard link to a file? That is, given a filename, can you tell whether it was created using an ln command? Explain.
|
| 18.
|
Explain the error messages displayed in the following sequence of commands:
$ ls -l
total 1
drwxrwxr-x 2 alex pubs 1024 Mar 2 17:57 dirtmp
$ ls dirtmp
$ rmdir dirtmp
rmdir: dirtmp: Directory not empty
$ rm dirtmp/*
rm: No match.
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