give me the command to write DVD to DVD directly

hai , i have to take a copy of one DVD using dvdrecord command my DVD write is SONY DVD RW secdary Master and one samsung DVD R Secondary Slave let me know how to take a copy of DVD directly (DVD to DVD copy) with creating an image to disc... i try with this is the detaisl whiile i run

give me the command to write DVD to DVD directly

hai , i have to take a copy of one DVD using dvdrecord command my DVD write is SONY DVD RW secdary Master and one samsung DVD R Secondary Slave let me know how to take a copy of DVD directly (DVD to DVD copy) with creating an image to disc... i try with this is the detaisl whiile i run