shell for循环

weiqifa@ubuntu:~/qcom$ for i in $(seq 1 1 10)
> do
> echo "hello World"
> done
hello World
hello World
hello World
hello World
hello World
hello World
hello World
hello World
hello World
hello World
weiqifa@ubuntu:~/qcom$ 

输入for i in $(seq 1 1 10) in和$之间有个空格 

回车后，依次输入下面的