||Rock Ridge extensions, with file ownership set to more useful values. You also may need to look into the -R option, which is the same but does not modify the file ownership.
||Generates the TRANS.TBL file for each directory. This may not be needed, depending on your usage.
||Joliet extensions. Useful if the CD is going to be read on another OS.
||The volume label for the CD. This is what is displayed when you put the CD into a CD drive.
||The boot image to use. This makes the CD bootable by making it an “El Torito” bootable CD.
||Location, relative to the source path, of the boot catalog used for “El Torito” bootable CDs.
||Location of the output image from the mkisofs command.