UNIX

unix / linux programming study notes- Open file descriptors and function

To talk about unix / linux for file operations in these functions,These functions for linux basically meet our requirements in any document,
First talk about the open function
In linux you want to operate on the file must first open the file and then the corresponding processing,Why should we do it? That is because the process and not directly manipulate files between,To process the document operation[……]

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