Detailed explanation of Linux fork function

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fork() is a very important system call in Linux and other Unix-like systems. It is used to create a new process. This new process is a copy of the current process, called a child process. The child process will obtain a copy of the parent process's code, data, heap, stack, etc., but the two processes will have different process IDs and some other resources, such as open file descriptors. If you want to know more about the fork function, you can read the articles below this topic.