Burn ISO disc to DVD in Linux/BSD
Today it should seems like ancient knowledge, but it can handy if you get to situation where other posibilities are not an option.
There is very little predisposition you should have on your computer. You need to have installed this two packages on your computer:
On systems like FreeBSD run first:
pkg install sysutils/cdrtools sysutils/dvd+rw-tools
With all this installed - burning DVD is simple one command.
growisofs -dvd-compat -Z /dev/cd0=<path_to_your_iso_file>
growisofs -dvd-compat -Z /dev/cd0=/usr/home/Downloads/Unix_Distribution_DVD.iso
Happy burning :)