Filesystem

FAT

sudo mkdir /mnt/usb

Then:

sudo mount -t vfat /dev/sda1 /mnt/usb

or:

sudo mount -t vfat /dev/sdb1 /mnt/usb

When you have finished using the drive:

sudo umount /mnt/usb

Mount NTFS

sudo mkdir /mnt/windows
sudo mount -t ntfs /dev/hda1 /mnt/windows