Child Processes Inherit UNIX Ordinary Pipes from Their Parent Process

Multiple Choice

Child processes inherit UNIX ordinary pipes from their parent process because:

A) The pipe is part of the code and children inherit code from their parents.
B) A pipe is treated as a file descriptor and child processes inherit open file descriptors from their parents.
C) The STARTUPINFO structure establishes this sharing.
D) All IPC facilities are shared between the parent and child processes.