标准形式的完成功能的局限性在于，它只能在您从命令行上执行输入时完成文件和路径(包括命令)。

The limitation of completion in its standard form is that it is only able to complete files and paths (including commands) while you are entering them on the command line.

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该命令对每个输入文件执行一次。

The command is executed once for each input file.

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你们可以在上面写源代码，如果要编译的话，不用像GCC这样要输入命令，文件名，只需点击按钮就可以了。

And you can write your source code in it but to compile something you don't run a command like GCC and then the name of the file, you instead click a button.

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