how to bring a fg job to bg
i do a :
tail -f /var/log/messages > /dev/tty9 &
ok, it is running on the bg, great.
i do a
will show me it is running on the background
i do a fg ,
the job wil bring to foreground.
now, how do i bring it back to bg? since now my terminal is "stuck" , i tried a ctrol-y , then i type bg, it wont work.