The examples specifically read and alter a configuration file, but you can use these concepts for any of the type of tasks at that arise in a UNIX developers life.

这些示例逐一地读取并修改配置文件，但在UNIX开发人员的日常工作中，您可以在任何类型的任务中使用这些概念。

youdao

Because root can alter any file on the system, it was easy to inadvertently alter a running system by adding extraneous files or removing important files during interim builds of an RPM.

因为根用户可以更改系统上的任何文件，它可以在临时构建R PM期间随意添加外部文件或删除重要文件，从而更改正在运行的系统。

youdao

Now that the extension is installed, you must alter your php.ini file to include and configure the XCache extension.

因为安装了扩展，所以必需修改php . ini文件，使之包含X Cache扩展并对其进行配置。

youdao

The problem however is that Microsoft already has native file systems built into its operating systems which users can't alter, Reiser said.

CNN: Namesys pursues Holy Grail of file-system searches