- (Exam Topic 5)
Which command must be entered before exiting vi to save the current file as filea.txt?

1. A. %s filea.txt
2. B. %w filea.txt
3. C. :save filea.txt
4. D. :w filea.txt
5. E. :s filea.txt

Correct Answer: D

- (Exam Topic 2)
What is the difference between the --remove and the --purge action with the dpkg command?

1. A. --remove removes the program, --purge also removes the config files
2. B. --remove only removes the program, --purge only removes the config files
3. C. --remove removes a package, --purge also removes all packages dependent on it
4. D. --remove removes only the package file itself, --purge removes all files related to the package

Correct Answer: A

- (Exam Topic 4)
Which of the following commands can be used to display the inode number of a given file?

1. A. inode
2. B. ls
3. C. ln
4. D. cp

Correct Answer: B

- (Exam Topic 3)
Which of the following commands will print the last 10 lines of a text file to the standard output?

1. A. cat -n 10 filename
2. B. dump -n 10 filename
3. C. head -n 10 filename
4. D. tail -n 10 filename

Correct Answer: D

- (Exam Topic 3)
Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

1. A. sed '/bob/Bob' letter > newletter
2. B. sed s/bob/Bob/ letter < newletter
3. C. sed's/bob/Bob' letter > newletter
4. D. sed 's/bob/Bob/g' letter > newletter
5. E. sed 's/bob, Bob/' letter > newletter

Correct Answer: D