shell prompt

If you keep your shell window open for extended periods, you can quickly repeat a previous command with! nnn, where nnn is the number shown in the prompt for the command.

如果shell窗口打开的时间较长，可以用！nnn快速重复前面的命令，其中的nnn是命令提示符中显示的编号。

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In the examples used so far, the shell prompt is set to the hash, or pound, symbol (#).

目前为止，示例中的shell提示都设置为正斜杠、英镑符号、或符号。

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but if you include $pwd in your shell prompt, you always know what directory you're in.

但是，如果您在shell提示中包含$PWD，您就总是知道您当前所处的目录。

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If at any stage you are looking for some help, you can simply issue the command "help" to the Mongo shell prompt.

如果您在某个阶段需要帮助，只需要在Mongo shell提示符下发出“help”命令。

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Keying in this sequence displays the following at the shell prompt: echo "^ [] 2; Hello^ G".

输入这个命令序列，就会在shell提示上显示以下内容：echo“^[]2；Hello^G”。

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notice how the shell prompt shows the new value for $pwd.

注意，shell提示是如何显示$PWD的新值的。

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Type netsh winsock reset in the Command Prompt shell, and then press the Enter key.

键入netshWinsock的重置在命令提示符壳, 然后按下回车键.

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here's why: you can display the value of $pwd as part of the shell prompt.

原因是：可以将$PWD的值显示为shell提示的一部分。

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To demonstrate stdin and stdout, type the following text in your terminal window ( assume that the leading percent sign (%) is your shell prompt)

为了说明stdin和stdout，您可在终端窗口中输入以下文本（假设前面的百分号（%）为您的shell提示符）

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from a shell prompt, you can display the path name of the directory you're in by running the command pwd, shown in listing 1.

从shell提示，您可以显示您所在的目录的路径名，方法是运行命令pwd，如清单1所示。

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The leading dollar sign is the shell prompt.

开头的美元符号是Shell提示符。

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And yet, here I am with a shell prompt on an eight-way multiprocessor system with RAID drives, 32GB of memory ( hey, it looks huge to me), and two months of uptime.

现在呢，我却正在一台具有RAID磁盘、32GB内存（对我来说这可真大）并运行了2个月的8路多处理器系统上使用一个shell提示符。

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then, when you run cd, the variable pwd will be updated and displayed as part of the shell prompt.

然后，当您运行cd时，变量PWD将被更新并显示为shell提示的一部分。

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