Fatresize is a command line tool for resizing MS Windows FAT16 / FAT32 file systems.

Installation

$ sudo apt-get install fatresize

How to use:
Fatresize follow the usual GNU command line syntax, with long options starting with two dashes (`-’). A summary of options is included below.

-h –help: Show summary of options.
-s –size: Re-size volume to SIZE[k|M|G|ki|Mi|Gi] bytes
-i –info: Show volume information
-p –progress: Show progress
-q –quite: Be quite
-v –verbose: Verbose (not version)

Fatresize Examples:

Re-size valome to 4G

fatresize -s 2G /dev/hda3

Re-size valome to 4G, but be quite (i.e no verbose output)

fatresize -q -s 3G /dev/hda3

Show volume information

fatresize -i /dev/hda3