例如，最重要的一些系统处理，如电子邮件传输和远程访问、持续日志记录活动，都会在文件的末尾添加新的条目。

For instance, most important system processes, such as E-mail transport and remote access, continuously log activity, appending each new entry to the end of the file.

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在文本编辑器中打开日志文件，在每个文件的开头添加惟一的标记，在末尾添加相应的结束标记。

Open the log file in a text editor, and add a unique tag to the very beginning of the file and a corresponding closing tag at the end of the file.

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在文本编辑器中打开日志文件，在每个文件的开头添加惟一的标记，在末尾添加相应的结束标记。

Open the log file in a text editor, and add a unique tag to the very beginning of the file and a corresponding closing tag at the end of the file.

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