There's an option, -freesize N (in megabytes). Very useful for those old dos apps that incorrectly detect free space and refuse to install. 188.8.131.52 22:22, 20 February 2009 (UTC)
Please add information on obtaining current mountpoints in the Linux filesystem by issuing
command in the terminal window. It may be easier to determine the label (path) for the mounted CDs this way instead of looking for it in the graphical file manager.