呉裕雄--天生自然ShellX学习笔记:Shell echo命令

Shell   echo     PHP   echo     ，          。    ：
echo string
     echo            。
1.       :
echo "It is a test"
            ，             ：
echo It is a test
2.      
echo "\"It is a test\""
    :
"It is a test"
3.    
read             ,                shell   
#!/bin/sh
read name 
echo "$name It is a test"
        test.sh，name          ，    :
[root@www ~]# sh test.sh
OK                     #    
OK It is a test        #  

4.    
echo -e "OK! 
" # -e     
echo "It is a test"
    ：
OK!

It is a test

5.     
#!/bin/sh
echo -e "OK! \c" # -e      \c    
echo "It is a test"
    ：
OK! It is a test

6.         
echo "It is a test" > myfile

7.       ，         (    )
echo '$name\"'
    ：
$name\"
8.        
echo `date`
  ：           `,        '。

         
Thu Jul 24 10:08:46 CST 2014