【shell脚本入门教程】1

https://edu.aliyun.com/lesson_1355_11669?spm=5176.8764728.0.0.550322a0gfCyWo#_11669

cat > hello.sh
chmod +x hello.sh
echo $PATH
/data/hello.sh

echo $SHELL

!/bin/bash

!/usr/bin/python

!/usr/bin/perl

curl http://192.168.30.128/hello.sh |bash
curl -L http://192.168.30.128/hello.sh |bash

bash hello.sh
cat hello.sh |bash

hash -d hello.sh