Thank You for Your time and answer and a tip, Tzafrir: > You can grep for the exact info. but better first just grep-out > comments and empty lines. > > $ wc /etc/postfix/main.cf > 40 143 1312 /etc/postfix/main.cf > $ egrep -v '^(#|$)' /etc/postfix/main.cf | wc > 20 63 786 But I already simply did: grep -v '#' /etc/postfix/main.cf