how to create bootable Ubuntu USB in simple way in telugu 

how to create bootable ubuntu usb in simple way.Here i am using Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.Ubuntu 18.04.3 LTS bootable usb.Usb Bootable software is Rufus is a utility that helps format and create bootable USB flash drives .Rufus 3.8 is latest version of bootable software