Question: Assume (create) that after executing show working directory command you get following: /home/CST/CST3523/Lab_1 Under the CST3523 directory you also have HW_1 and Assg_1 directories. a. Provide commands to go to these two directories using Absolute Path, Relative Path. Also show that you are at each directory b. Create one file in each directory HW_1 and Assg_1 using Absolute Path and Relative Path. Question5: a. Write a command(s) to place three directories youLastName1.youLastName2' and 'youLastName3' in a directory stack. b. Write a command to interchange directory no. 1 and no. 2. c. Write a command(s) to remove all the directories from the stack Question 6-7 a. How to use external positional parameter, echo and shift to show each positional parameter one at a time. b. How to use internal positional parameter, echo and shift to show each positional parameter one at a time