Python: fork, pipe and exec

Question

I want to execute a program in a python application, it will run in the background but eventually come to the foreground.

A GUI is used to interact with it. But con

Answer 1

That is not much complex in structure to build !

Check this example

if os.fork():
    os._exit(0)
    os.setsid()
    os.chdir("/")
    fd = os.open("/dev/null", os.O_RDWR)
    os.dup2(fd, 0)
    os.dup2(fd, 1)
    os.dup2(fd, 2)
if fd 2:
    os.close(fd)

This python code sets an id, changes the dir, opens a file and process and close !