inject command into console prompt.py

import fcntl
import termios
import sys

fd = sys.stdin.fileno()

old = termios.tcgetattr(fd)
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ECHO  # disable echo
termios.tcsetattr(fd, termios.TCSANOW, new)

fcntl.ioctl(fd, termios.TIOCSTI, '\021')  # ^Q quote control characters

command = 'df -h'

for c in command:
    fcntl.ioctl(fd, termios.TIOCSTI, c)

termios.tcsetattr(fd, termios.TCSANOW, old)  # restore settings