Who says Mac OS is flawless?

谁说苹果机是完美的？

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You won't find that in Mac OS X.

这个你在Mac的操作系统是找不到的。

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Two major OSes: Mac OS X and iOS.

两个主要的操作系统：Mac OS X与iOS。

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Who says Mac OS is flawless?

谁说苹果机是完美的？

麻省理工公开课 - 计算机科学及编程导论课程节选

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。

哈佛公开课 - 计算机科学课程节选

If you've ever noticed, Mac OS has its Apple menu on the top left and Windows has its start menu in the bottom left, really for no compelling reason.

如果你注意到，你会发现，Mac操作系统,在其左上角是Apple菜单，Windows却把它的开始菜单,放在左下角，毫无理由可言。

哈佛公开课 - 计算机科学课程节选

All the software, including the iOS mobile operating system and the Mac OS, is written here.

FORBES: How Steve Jobs Created Jobs

In this section we'll show you how to auto-launch on Windows and Mac OS X.

ENGADGET: How-To: Share your keyboard and mouse in realtime with Synergy

There are two main steps to configure Synergy to auto-launch on Mac OS X.

ENGADGET: How-To: Share your keyboard and mouse in realtime with Synergy