:: when I type df I see:
::
:: venus:~# df
:: Filesystem 1024-blocks Used Available Capacity Mounted on
:: /dev/hda2 985329 493077 441348 53% /
:: /dev/scd0 94 94 0 100% /cdrom
::
:: this does mean that there are 94x1024x1024 bytes = 94MB on CD?
: Actually, it appears to mean that there are only 94 KB on the CD.
: Something seems fundamentally wrong there---perhaps the CD gives
: misleading information somewhere.
Not necessarily. I once got a CD with 8 KB on it - just for free,
with some advertizing on it. Not every CD has 600MB of useful data.