Apple said in a press release that it plans to preview new features and APIs for its next-generation operating systems iPhone 3.0 and Mac OS X Snow Leopard.

苹果公司在一份新闻稿中表示，它计划为下一代操作系统 iPhone 3.0 和 Mac OS X Snow Leopard 预览新功能和 APIs 。

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The system Administrator is one or more people who can access the portal application at the operating system (OS) level.

系统管理员是一个或多个员工，他们可以访问操作系统(OS)级别的门户应用程序。

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The idea of security starts with our own local operating system (OS) environment.

安全理念起源于我们自己的本地操作系统(OS)环境。

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Now, in the world of Linux and Unix more generally, both of which are our operating systems that had been around for many, many years, Mac OS is based on one of-- one version thereof.

在Linux和Unix里更广泛，对了，这两个都是历史悠久的,操作系统，就连Mac操作系统,都是基于它的一个版本设计出来的。

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And if you've ever heard the word driver software that you install in your computer so that your computer, your operating system, Windows or Mac OS, knows how to talk to that piece of hardware, it's that driver software that then empowers the operating systems to send those commands as well, up, the data is laid out on the disk.

并且如果你听说过安装到,电脑中的驱动软件这个词的话，你的操作系统，比如Windows或者是苹果操作系统，通过这个驱动软件我们的电脑，才能知道如何与这个硬件进行通信,正是因为这个驱动软件，操作系统才能根据数据，左右移动的指令来读取磁盘里的数据。

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All three machines will boot natively to Apple's new operating Mac OS X, but not to the older Mac OS 9.

FORBES: Magazine Article

The software treats various versions of Windows as "guest" operating systems that are run on virtual machines launched within the Mac OS operating environment.

FORBES: Magazine Article

Its new operating system, OS X Snow Leopard, wasn't mentioned by Apple this week.

FORBES: Magazine Article