[root@oracle ~]# echo "hehe\"hehe" hehe"hehe [root@oracle ~]# echo "hehe\`hehe" hehe`hehe [root@oracle ~]# echo "hehe\\hehe" hehe\hehe [root@oracle ~]# echo "hehe\/hehe" hehe\/hehe [root@oracle ~]# echo "hehe//hehe" hehe//hehe
