When you're teenagers, you don't quite know what to write on there. Little Os and Xs for kisses and things like that.

VOA: special.2010.02.08

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

For example, you can find the work of two brothers who go by the name Os Gemeos.

VOA: special.2009.04.08

Why don't we sing Ms and Os and Ps today?

现在我们为什么不唱M,O和P

耶鲁公开课 - 聆听音乐课程节选

The Google Chrome OS is expected to be available in the second half of next year.

VOA: special.2009.07.17

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

Art galleries all over the world have shown the artwork of Os Gemeos.

VOA: special.2009.04.08