Question 16

Which bash commands result in a valid arithmetic expansion? (Choose three)
  • Question 17

    What is required to access updates for SLE?
  • Question 18

    What does the (x) permission on a directory mean?
  • Question 19

    If the file1.txt file already exists in your home directory, what will the touch -7file1.txt command do if anything?
  • Question 20

    Which UID does the root user have?