The commands are documented and provide command line help information to aid users.
这些命令会以文档的形式记录下来，并提供命令行帮助信息来帮助用户。
There are several libraries available to help with command line argument processing.
有一些库可以用来帮助进行命令行参数处理。
You access these commands by entering @help on the command line.
您能通过在命令行输入 @help 来访问这些命令。
Help options are also available from the command line, as illustrated below.
还提供了可使用的各种不同模式和选项的命令范例。
Command line usage is incorrect. See online help for guidelines.
命令行用法不正确。请查看联机帮助中的使用准则。
The following code displays help from the command line.
下列程式码会从命令列显示说明。
The following code displays help from the command line.
下列程式码会从命令列显示说明。
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