1. Change and list directories. a. Change the directory to the /etc directory. (3 marks) b. Display your current working directory. (3 marks) c. How do you go to the root directory? (3 marks) d. List the contents of the root directory. (3 marks) e. How do you list a long listing of the root directory? (3 marks) 2. Manage files and directories. Create a directory called "testyourfirstname" (e.g., testjohn) in your home directory. (3 marks) b. Remove the directory created in previous step. (3 marks) Create a directory called "demoyourfirstname "(e.g., demojohn) in your home directory. (3 marks) d. Create the following files in the directory created in the previous step: file1.txt and file2.txt. (3 marks) e. Rename file2.txt to "yourfirstname" (e.g., john). (3 marks) f. Create a directory called "yourfirstnamebackup" (e.g., johnbackup), and copy into it all the files from the "demoyourfirstname" directory created in previous step. (3 marks)