#!/bin/bash

echo -e "It is a test \n"
echo It is a test
echo -e "\"It is a test\""
read name
echo "$name is a good man"
echo -e "OK! \c"
echo "It is a test"
echo '$name\"'
echo `date`

注意:字符串写单引号双引号不写效果都一样
\n换行 \c不换行 \"双引号