Please solve it urgently.

a. (3 points) What is meant by the term Privilege Delegation? How is the concept realized in Linux and how does Windows differ in this regard? b. (5 points) Assume that you are logged in with the user woelfl in a Linux system. Let the working directory be lopt/shared. Consider the following shell output: For each command, state whether or not it terminates successfully (i.e., with exit code 0). i. mkdir exam ii. mkdir -p /opt/exam iii. cat lopt/shared/f1.txt iv. echo 'exam' > f1.txt v. sudo echo 'exam' > f1.txt vi. touch /tmp/$ RANDOM.txt c. (1 point) Why is it dangerous to save files in /tmp for permanent storage? d. (4 points) Given: The file tonguetwister.txt which has the following content: Fischers Fritz fischt frische Fische, frische Fische fischt Fischers fritz. Provide a command which prints the number of words that include the string sch to the console. e. (1 point) Assume that you edit a file on a terminal emulator using the VIM editor. You are currently in insert mode. Which keystrokes are required to exit the editor