浪潮服务器raid5-echo转义说明

https://jingyan.baidu.com/article/4ae03de3e4c8d33eff9e6bee.html

https://wenku.baidu.com/view/3c5dc9a2f46527d3250ce08c.html

https://www.cnblogs.com/andy6/p/7396546.html

https://jingyan.baidu.com/article/39810a239717f1b636fda625.html

如果有硬盘有raid标识需要先删除虚拟卷

 

[root@shuffle-dev ~]$ echo "$"
$
[root@shuffle-dev ~]$ echo "$1"

[root@shuffle-dev ~]$ echo "\$1"
$1
[root@shuffle-dev ~]$ echo '$1'
$1
[root@shuffle-dev ~]$ echo '\$1'
\$1