echo

编辑echo.sh

#!/bin/sh
echo "输入testName："
read testName 
echo

echo "It is a test:$testName."
echo

echo -e "转义换行：OK! \n It is a test" # -e 执行转义\n 换行

echo -e "转义不换行OK! \c" # -e 执行转义\c 不换行
echo "It is a test"

echo "It is a test:$testName">getStringFile #输出到文件
echo `date`>>getStringFile

echo '\$testName：'
echo "$testName"

执行echo.sh

./echo.sh 
输入testName：
123456

It is a test:123456.

转义换行：OK! 
 It is a test
转义不换行OK! It is a test
\$testName：
123456

同时生成文件getStringFile