1. Use an address range negation to print only the fifth line of your /etc/passwd file. Hint: Use the delete editing command.

2. Use an address step to print every fifth line of your /etc/passwd file, starting with the tenth.

4. Write a sed command that takes the output from ls -l issued in your home directory and changes the owner of all the files from your username to the reverse. Make sure not to change the group if it is the same as your username.

Code in VCloud

I cant understand shell scripting and need help understanding these questions. Would help a lot