Seems like nobody remembers this anymore, but IE4 was actually cross-platform—you could install it on Mac OS, Solaris, and HP-UX—and by the time IE5 was released, IE4 had reached a 60% market share.

看起来没人记着这些啦，但是IE4实际上是跨平台浏览器，你可以在Mac系统，Solaris系统, 以及 HP-UX系统中安装运行，到IE5发布的时候，它的市场占有率已达60%。

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This also allows various customers and developers to install IBM Informix Dynamic Server on Mac OS using a rich and easy-to-use GUI installer.

这也使得各种不同的客户和开发人员都可以使用易用的富gui安装程序在Mac OS上安装IBM Informix Dynamic Server。

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If you're a Mac OS X 10.5 (Leopard) developer, you can similarly install the gem as follows.

如果您是Mac OS X 10.5 (Leopard)开发人员，可以按以下方式安装这个gem。

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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。

哈佛公开课 - 计算机科学课程节选

Fortunately, you can create a backup of your Mac OS X install.

FORBES: How To Make An OS X 10.8 'Mountain Lion' Bootable USB Drive

Install Virtual PC on a Mac running either Mac OS9 or Mac OS X and, odd as this may seem, you can then actually run Windows on that Mac.

FORBES: Dual-Personality Macs