linux shell `符号详解
[root@iZ23uewresmZ arjianghu]# echo `ls` asss.html common guaji.php images index.php log.log register.html register.php restartswoole.sh testditu.html timg.jpg zhuangtai.php [root@iZ23uewresmZ arjianghu]# echo $(ls) asss.html common guaji.php images index.php log.log register.html register.php restartswoole.sh testditu.html timg.jpg zhuangtai.php [root@iZ23uewresmZ arjianghu]#
就是变量。。