Windows PowerShell is a free Net-based command-line shell and scripting language designed for system administrators by Microsoft.

Windows PowerShell是一种免费的、基于网络的、命令行式的外壳和脚本语言，它是微软针对系统管理员设计的。

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Now you can update your root file system with other packages that you need. For example, if you want to add the wonderful Ruby language to your root file system, you invoke the following command.

现在，可以用您需要的其他包更新根文件系统。

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Through realizing PLC logic in FPGA and providing a compiler which can be used to compile PLC command to implement the sup - port of NC system to universal PLC program language.

通过在FPGA内部实现PLC逻辑，并提供能够编译PLC指令的编译器，实现了数控系统对通用PLC编程语言的支持。

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