Although UNIX shells are highly specialized and generally used interactively using the keyboard, a shell such as bash can also read input from a file.

尽管UNIX shell具有较高的专用性，且通常使用键盘进行交互，但某些shell如bash等也能从文件读取输入内容。

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And because you have a full Bash shell at your disposal, you can use all the aforementioned compatibility features (among others) to write UNIX shell scripts to maintain Windows!

因为Cygwin提供完整的Bash shell，所以可以使用上述的所有兼容特性(和其他特性)编写UNIX shell脚本来维护Windows ！

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Command shells unlock the potential of a UNIX system, and bash is the Linux shell.

命令shell开启了UNIX系统的潜能，而bash正是这个Linux shell。

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