### note '{ print }' '{ print $0 }' '1' all are same ### awk '{ print }' /path/to/file awk '{}1' /path/to/file awk '1' /path/to/file awk '{ print $0 }' /path/to/file awk '{}1' /etc/passwd awk '{print $0}' /etc/hosts awk '{print}' /etc/hosts