Question 21

You are looking into a new script you received from your senior administrator. In the very first line you notice a #! followed by a file path. This indicates that:
  • Question 22

    Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?
  • Question 23

    Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)
  • Question 24

    Which of the following commands can be used to customize all kernel compilation options?
    (Choose Three)
  • Question 25

    What is true regarding the file ~/.forward?