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.

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。

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To maintain the integrity of a recovery log file, only a single client process can access the log at a time; this access can be assured using the exclusive network file locks discussed previously.

要保持恢复日志文件的完整性，一次只能允许单个客户端流程对其进行访问。 通过使用先前讨论到的排它网络文件锁定来确保访问的进行。

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File locking is used to ensure exclusive access to the files that make up a recovery log.

使用文件锁定确保对组成恢复日志的文件的排它访问。

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Features include name-and-password log-in support, file and directory caching for quick access, firewall and proxy-server support, and UNIX file attribute support.

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