For instance, on Mac OS X, the wall utility — short for "write all," because it writes a message to every physical or virtual terminal device — is setgid tty (as shown above).

例如，在Mac OS X中，wall工具(“write all”的缩写，因其会将某个消息写入所有物理或虚拟终端设备而得名)的setgid被设为tty(如上所示)。

youdao

The JPS utility lists the virtual machines for the current user on the target system.

jps工具为目标系统的当前用户列出虚拟机。

youdao

The created images are saved using the UWF format, which is also the only virtual disk extension recognized by the utility.

所创建的图像被使用UWF格式，这也是由实用程序识别的唯一的虚拟磁盘扩展保存。

youdao

This was revolutionary when it was introduced five years ago, such that many people doubted the utility of a virtual keyboard.

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For years, we had a virtual monopoly on the business down there and one day a competitor asked the Mexican state utility why we always got the job.

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"Because virtual worlds like Second Life do not impose language barriers like the web does - that almost certainly means their ultimate utility range is larger, " he said.

BBC: NEWS | Technology | A very real future for virtual worlds