/etc/fstab

This file controls which devices are automatically mounted at boot time, as will as the ones that can be mounted afterwards.

See also

mount(8)

Example

/dev/sda1	/		ext2	defaults	1 1
/dev/sda2	/usr/local	ext2	defaults	1 1

/dev/scd0	/cdrom		iso9660	defaults,noauto,user,ro	1 1