find -type d find -name "*.py" find -name "*.py" -exec ls -l {} + find -type f -size -1k find -type f -size -1k -name "*.py" find -type f \( -size -1k -o -name "*.py" \) find -type f -exec grep -q CSCI {} \; -print find -type f -exec grep -q "CSCI[[:space:]][0-9][0-9][0-9]" {} \; -print find -type f -exec grep -q -E "CSCI([[:space:]]|$| )" {} \; -print