Purpose of exec functions
Specify the purpose of exec functions?
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Whenever a process calls one of the exec functions, that particular process is fully replaced through the new program. New program starts its execution from the main function. The processed does not alters across an exec since a new process is not created. However, this function substitutes the current process with the new program from the disk.
Deep copy: It is a copy of an object in which copies of all the object's sub-components are also prepared. The resultant object may, in effect, be a clone of the novel.
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Explain the purpose of using XML.
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