If the dvd is mounted it is available via /dev/dvd
Run the following in terminal
sudo dd if=/dev/dvd of=/your/path/file_name.iso
Here, if denotes input file, of is output file. dd stands for device dump.
If the dvd is mounted it is available via /dev/dvd
Run the following in terminal
sudo dd if=/dev/dvd of=/your/path/file_name.iso
Here, if denotes input file, of is output file. dd stands for device dump.