A reference topic provides specific information, such as a command, message, program option, or API.

参考主题提供了特定的信息，如命令、消息、程序选项或者API。

youdao

The AIX welcome message and command prompt displays.

这时将显示AIX欢迎消息和命令提示符。

youdao

With this approach, the client code sends a message or a command to a list of entities able to process such a message.

用这种方法，客户机代码向能处理其所发消息的实体列表发送消息或命令。

youdao

So generally, if you don't get an error message in a command line environment like this, that's good.

一般来说，如果你在命令行界面,没有收到错误信息，那就是好消息。

哈佛公开课 - 计算机科学课程节选

But if the dir command results in the error message "Invalid drive specification, " go back and try again.

CNN: Top 50 Windows tips

When an incoming call or message arrives, it can be received via voice command without even touching the phone.

ENGADGET: Kyocera announces Digno S smartphone for Japan, promises over 18 hours of talk time in three colors

But by talking prematurely about tax cuts, Mr Duncan Smith is only giving ammunition to Tony Blair and confusing what should be his party's most important message: that the Conservatives' newfound decentralist approach is superior to the philosophically flawed command-and-control methods of the government.

ECONOMIST: Bagehot