A developer is working on a project using a Linux tool that enables writing processes to obtain these required results:
- If the process is unsuccessful, a negative value is returned.
- If the process is successful, 0 value is returned to the child process, and the process ID is sent to the parent process.
Which component results from this operation?

A. parent directory name of a file pathname B. process spawn scheduled C. macros for managing CPU sets D. new process created by parent process