* **An error occurred during the file system check.
***Dropping you to a shell; the system will reboot
***when you leave the shell.
***Warning -- SELinux is active
***Disabling security enforcement for system recovery.
***Run 'setenforce 1' to reenable.
Give root passwd for maintenance
(or type Control-D to continue):
 
    某天打开我的linux系统就是这个样子,提示我输入密码维护,执行fsck -y /dev/sda2 再重启电脑就OK拉!