应该使用以下命令来确保只有root拥有读和写的访问权

You should ensure that only root will have read and write access by using

SQL事务可分为两种类型：读和写。

SQL transactions fall into two basic types, read and write.

我们的标准课程确保您对外语的信心显著增强,在所有四个技能领域都有重点教学——说、听、读和写。

Our Standard Course guarantees a significant increase in your confidence in a foreign language, with focused teaching in all 4 skill areas----speaking, listening, reading and writing.

它们主要是解析和构建Document和Element对象的接口，一个工具类使读和写Document流更容易。

These are primarily interfaces for parsing and building Document and Element objects and a utility class that makes reading and writing Document streams easier.

我可以列举、读和写IBM（另一个目录）中的文件，而其他用户可以列举其中的内容。

I can catalog, read, and write files in IBM, another directory, and others can catalog its contents.

当然，如果您知道XML只有两种处理方式，即读和写，而且都使用的是同一种语言，那就最好。

That's fine if you know, for sure, that the only processes that will ever write or read the XML are the same language.

因此，用户ian就可以读和写.bashrc文件，但是不能执行它；

So user ian can read and write the.

第三个规则指定，如果用户alpha是sun和earth的成员，就允许他读和写。

The third rule permits user alpha read and write access, if user alpha is a member of both groups, sun and earth.

服务器端API还包括一个操作，用于显式地将任意的读和写操作序列包装为单个原子事务。

The server-side APIs also include an operation for explicitly bracketing an arbitrary sequence of read and write operations into a single atomic transaction.