linux shell脚本 #echo

举例
echo -n “hi”
echo -e “hi\c”
echo “a\tb”
echo -e “a\tb”
echo -e “a\nb”

vi file

echo     "input a  number:"	 #
echo  -e   "input a  number:_\b\c"	 
read  a 
echo "$a" 

保存文件 chmod 700 file
./file