What command is used to create a file-system to be burned to a CD?

What command is used to create a file-system to be burned to a CD? (Please enter the command
without the path or any options or parameters)

Answer: mkisofs

Explanation:
From the man pages:
mkisofs – create an hybrid ISO9660/JOLIET/HFS filesystem with optional Rock Ridge attributes.
—————————— Was replaced by genisoimage