It will serve you as long as you command it to do so and give it that which it needs to adequately sustain self.
只要你命令它，并且给予它之所需，充分地供养它，它就会服务于你。
As each component started, you saw some messages appear on the command prompt window.
在每个组件启动时，您已看到一些信息出现在命令提示窗口中。
A new command I give you: love one another. As I have loved you, so you must love one another.
我赐给你们一条新命令，乃是叫你们彼此相爱；我怎样爱你们，你们也要怎样相爱。
Your computer's processor interprets any command you execute as a series of math problems.
你的计算机的处理器把你执行一切指令当做一系列的数学问题来解释。
It writes lines from its standard input to log files under the control of instructions you enter as command-line arguments.
第二种机制在命令行参数输出的指令控制下，把自己标准输入中的行写入日志文件。
Or, you might prefer a programmable window manager, so you can control its behavior as much as you control the command-line interface.
或者，您可能更喜欢可编程方式的窗口管理器，这样您就可以像控制命令行接口那样来控制窗口。
The alias is exactly as the name suggests, you can alias one command for another, or you can provide an alias for the same command with additional options.
顾名思义，您可以将一个命令用作另一个命令的别名，或者为带有附加选项的同一个命令提供别名。
This means no more re-typing the password as you would normally do on the command line.
这意味着不需要像平时一样在命令行上重复输入密码。
After running the command, you will see the first run results, as shown in Listing 6.
运行命令后，您将看到第一轮结果，如清单6所示。
As you know, that command generates your model, migration, unit test, and even a default fixture.
正如您所知，该命令可生成模型、迁移、单元测试甚至一个默认的fixture。
As described before, you can use the following command to extract the project from the source system.
如上所述，您可以使用以下命令从源系统提取项目。
Search the Web for "shell auto-complete" to learn more about automatic completion, a feature that provides context-sensitive expansions as you type a command.
在Web上搜索“shell auto -complete”，进一步了解自动完成特性，该特性用于在您键入一条命令时提供上下文敏感的扩展。
As you can see, this command is very similar to our first 'd' command, except that it is preceded by a '1'.
如您所见，除了前面有'1 '之外，该命令与第一个'd '命令十分类似。
You'll also notice that we've replaced the 'd' command with the 'p' command, which as you might guess, explicitly commands sed to print the pattern space.
您还会注意到，我们用'p '命令替换了'd '命令，如您所猜想的那样，这明确要求sed打印模式空间。
Subdirectories can also be searched by using **/; the process is recursive, such as the find command, so that you can produce the equivalent of a find command, such as $ find . -name "*.c".
通过使用 **/，还可以搜索子目录；该过程是递归的，例如find命令，以便您能产生 find 命令的等效结果，例如 $ find. -name "*.c"。
With your new BusyBox available, you can test your new command, as shown in Listing 18.
使用新的BusyBox，我们可以对这个新命令进行测试，如清单18所示。
At this point you can enter your preferred profile and interact with Felix as if you had launched Felix from a command line shell.
这时你可以输入你所喜好的profile并和Felix的命令行进行交互。
If you want to use the joint compiler from the command-line, you can call the groovyc command as usual, but specify the -j flag which will enable the joint compilation.
如果你希望在命令行使用联合编译器，你可以像通常那样调用groovyc命令，但是使用- j参数来进行联合编译。
If you know what you want to do, but you aren't quite sure what options are available or their format, simply type as much of the command as you know, followed by a "-h."
如果您知道自己想做什么，但是不太确定可以使用哪些选项或它们的格式，那么只需输入您知道的部分命令，然后加上“ - h ”即可。
If Opened_tables increases quickly as you rerun the SHOW STATUS command, you aren't getting enough hits out of your cache.
如果Opened _ tables随着重新运行SHOWSTATUS命令快速增加，就说明缓存命中率不够。
You use the exec function to send a command to the operating system. This command calls Scilab, just as you saw in the previous section
使用exec函数来向操作系统发送命令。
While “m” will bring up the MSN search command as the first selection, you can use “ma” to evoke the map command directly.
比如“m”代表在MSN上搜索，你可以使用ma直接调用地图命令。
In case the execution of either one fails on either platform, you can use the command shown below as a fail-safe.
如果任何一个可执行文件在任意平台上执行失败，都可以使用如下所示的命令作为解决方法。
If the first command does not exit as you expected, the second command still runs — and fails.
如果第一个命令未按您预期的那样退出，第二个命令仍然会运行——结果会导致失败。
As you can use any computing language that manages command-line arguments and exit status, the possibilities are almost endless!
正如您可以使用管理命令行参数和退出状态的任何计算语言一样，存在各种各样的可能性。
And because every UNIX command returns a status code reflecting success or failure, you can use any command as a conditional — not just the test operators.
而且由于每个UNIX命令都返回一个指示成功或失败的状态代码，因此，您可以使用任何命令作为“条件”——而不仅仅是使用测试操作符。
If you just used the command as in Listing 16, then you would get an error.
如果您像清单16那样使用该命令，那么将得到一个错误。
Do well when you do little and you will have acquired the skills to command respect and responsibility as you carry out much larger projects with the same spirit of excellence.
当你做小事的时候把它做好你会获得指挥和承担责任的技巧当你执行一项大的多项目时以同样的积极心态。
As you learned previously, if the command returns a zero, then it was successful; if it returns a non-zero, then it failed.
如前所述，如果该命令返回零，那么该命令的执行是成功的；如果它返回的是非零，那么它的执行是失败的。
Review the task manager as you issue the above command so you see how the memory usage increases.
在发出以上命令时，请查看任务管理器，以便看到内存使用时如何增加的。
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