Answer
os.fork()
os.execv()
os.remove()
os.chdir()
Work Step by Step
The Python module "os" provides "Miscellaneous operating system interfaces."
It provides a variety of functions for interacting with the operating system. Some of the more common functions include:
os.fork() - create a new process
os.execv() - execute another program
os.remove() - delete a file
os.chdir() - change the current working directory
