Process Concepts

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Discuss about process concepts! <br/>Parent process creates children processes, which, in turn create other processes, forming a tree of processes.<br/>Resource sharing<br/>Parent and children share all resources.<br/>Children share subset of parent’s resources.<br/>Parent and child share no resources.<br/>Execution<br/>Parent and children execute concurrently.<br/>Parent waits until children terminate.<br/>Address space<br/>Child duplicate of parent.<br/>Child has a program loaded into it.<br/>UNIX examples<br/>fork system call creates new process<br/>execve system call used after a fork to replace the process’ memory space with a new program.<br/>


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Vasantha Vivek
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