4. Which awk script outputs all the lines where a plus sign + appears at the end of line? b. /+$/fprint $0) c.$/print $0) d. /\+$/Kprint $0) e. None of above 5. Which command delete only the first 5 lines of "file"? a. sed '5d' file b.sed 1,5 p' file c. sed 5dd' file d. sed 5,$d' file e. sed '1,5d' file