Suppose you want to mount your /dev/hda1 partition to your /mnt/windows directory, (It may vary depending upon your system)
login as root and add this line to /etc/fstab file
Code:
/dev/hda1 /mnt/windows ntfs ro,umask=0222,user,gid=users 0 0
Check if it gets mounted correctly by these commands in console
Code:
mount -at ntfs
ls /mnt/windows
If you see the contents, your work is done.