$/etc/fstab
stores the filesystem mount point informations
A backup of the same comes in handy if we need to restore and mount the filesystem
# System /etc/fstab file. Static information about the file systems
# See fstab(4) and sam(1M) for further details on configuring devices.
The first column shows the Device, Second col. is its mount point, third is the type of device, mount options, dump options and filesystem check options.
Unix admin. has to maintain this file correctly.
This is used by the commands mount, umount & fsck
