Well, let's get started and see what you can accomplish by using PHP on the command line.

很好，让我们开始着手并看看您可以在命令行中使用 PHP 来完成哪些任务。

youdao

You can check the cluster status using the onstat -g SDS command at both the primary and secondary servers. Here's what our cluster looks like.

可以使用onstat - g sds命令在主服务器和备用服务器中检查集群的状态。

youdao

For example, consider the two files you were using with the paste command previously. Here's what happens when you try to combine them with join

举例来说，考虑我们上面介绍 paste 时所使用的两个文件。

youdao

So all of these programs or commands that we've been using thus far for the piece set in class, take what we call command line arguments, they are the zero or more words that follow the program's name.

所有我们一直在课堂上使用的,这些程序或者命令，携带着命令行参数，它们是跟在,程序名的后面的一个或多个单词。

哈佛公开课 - 计算机科学课程节选