os.tcgetpgrp(fd)
fd -- 這是在檔案描述符
# !/usr/bin/python3 import os, sys # Showing current directory print ("Current working dir :%s" %os.getcwd()) # Changing dir to /dev/tty fd = os.open("/dev/tty",os.O_RDONLY) f = os.tcgetpgrp(fd) # Showing the process group print ("the process group associated is: ") print (f) os.close(fd) print ("Closed the file successfully!!")
Current working dir is :/tmp the process group associated is: 2670 Closed the file successfully!!