For this you use the at command.
为此，应该使用at命令。
The at command also has a -q option.
at命令还有一个- q选项。
Listing 7. Time values with the at command.
清单7.at命令使用的时间值。
At command, enter the.source adaptor dot command and the adaptor name.
在命令模式下，输入.source适配器点命令和适配器名称。
There is also a batch command, which is similar to the at command except that jobs are run only when the system load is low enough.
还有一个batch命令，它与at命令相似，但是作业只在系统负载足够低时运行。
You can also call any command or function at the prompt.
您还可以在提示符下调用任何命令或函数。
I'm at your command—what would you like me to do?
我听从您的吩咐—您要我做什么？
The captain bellowed a command at the troops.
上尉叫嚷着向士兵下命令。
不需要你的命令！
Before we begin, you should have a basic idea of working at the command line.
在开始之前，应该掌握一些在命令行下工作的基本知识。
To run it in interactive mode, type each command at the prompt.
要以交互模式运行，在提示符中输入每个命令。
At the performer's command, the lights to flash off, then back on.
在魔术表演者的命令下，灯光关闭，之后再打开灯光。
You can stay comfortably at the command line.
您可以继续在命令行中完成这项任务。
You can also instantly save any function you write at the command line.
还可以立即保存在命令行上编写的任何函数。
Better yet, the pipe operator assembles AD hoc programs right at the command line.
更好的是，管道操作符可以在命令行上组装出专门的程序。
At the command line, you'll find many ways to use regular expressions.
在命令行中，可以采用许多方法使用正则表达式。
Although there are many good graphical front ends, complete functionality is at the command line.
虽然有许多优秀的图形前端程序，但是完整的功能在命令行程序上。
At the command prompt on each computer, type halt.
在所有计算机的命令行上输入halt。
At the command prompt, you might type a nickname that you created.
在命令提示符处，您可以输入已经创建的别名。
When you run this client at the command line, you get the expected results.
当您在命令行上运行这个客户机时，将得到预期的结果。
In this example we set the CLASSPATH at the command line.
在这个例子中，我们在命令行上设置CLASSPATH。
Verify file association at a command prompt, execute.
验证文件关联在命令提示符下，执行。
Define file association at a command prompt, execute.
定义文件关联在命令提示符下，执行。
To view the license, enter license -ls at the command line.
若要查看许可协议，请在命令行输入license -ls。
To install it, simply issue the following command at your shell prompt.
要安装该工具，仅需在shell提示符下执行如下命令。
If you need help, just type help at any command prompt.
如果需要帮助，只需在命令提示上输入help。
Type groovy MetaTest at the command prompt to run this test.
在命令提示中输入groovyMetaTest以运行该测试。
To stop the server again, just press Ctrl-C at the command prompt.
只需在命令提示下按Ctrl - c组合键就可以再次停止服务器。
To stop the server again, just press Ctrl-C at the command prompt.
只需在命令提示下按Ctrl - c组合键就可以再次停止服务器。
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