1 [Shell]echo "yz test" 2 yz test 3 [Shell]echo yz test 4 yz test 5 [Shell]echo 'yz test' 6 yz test 7 [Shell]
1 echo "yz test" > yztest.txt //重定向 2 echo "yz test" >> yztest.txt //追加
1 echo > yztest.txt