Using vim editor commands not send or ask please

2. Write a command that will add one blank line after every existing line in the file 3. Write a command that will change the all ." characters to "/" characters in every line that begins with an "F" or a "C" character 4. Write a command that will change all the "/" characters to "" characters in all lines that end with a ")" character 5. Write a command that will insert the contents of the /etc/passwd file between lines 14 and 15 of the file