How to burn an ISO or NRG image to a DVD from the command line on Linux

The two most popular formats for image files are ISO (.iso file extension) and NRG (.nrg file extension). The ISO format is a global standard created by ISO (International Organization for Standardization), and therefore is supported natively by most operating systems, allowing a high level of portability. On the other hand, the NRG format is a proprietary format developed by Nero AG, a very popular disc imaging and burning software firm.

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