"Ever wonder how Linux automatically mount all or many of your
partitions at boot time? It does so by reading the parameters from
the /etc/fstab file. If you view the /etc/fstab file on your
machine, you will find that the data in each row is segregated into
6 columns. They are as follows:
"Filesystem--This is the device file. It could be your hard
disk, cdrom, floppy, or a partition in your hard disk.
"Mount point--This is the place (usually a directory) where you
want your data from the device file to be made available..."