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.
Variable: It is the memory block of specific size where value can be stored and modified throughout program execution. Example: int x, float y, float amount, char c;
Illustrate the difference between a template class and class template in the programming?
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