5. Show the command and output to check how many lines contain 'start' (use a -i option to ignore case) in it from the file at/var/log/messages use the following commands for #5 : cat grep wc-l 6, How many of results from question #5 are actually just "starting" instead of "start" 7. What is the entire command to see the size of the /etc directory? 8. What is the command to see lines that have the word ember' in the /etc/hosts file