RosettaCodeData/Task/Execute-a-system-command/UNIX-Shell/execute-a-system-command-6.sh

echo "Found: `grep 80/tcp /etc/services`"
echo "Found: $(grep 80/tcp /etc/services)"
	echo "Found: `grep 80/tcp /etc/services`"
	`echo "Found: $(grep 80/tcp /etc/services)"`