4. which awk command outputs all lines where a appears at the end of line a. /^$/{print $0} c. /$A/(print $0) d. ^$/{print $0} e. None of above 5, Which command below deletes the first 5 lines of "file"? a. sed'5d' file b. sed '5 p' file c. sed '1,5 d' file d. sed '5, $ d' file e. None of above