fatcat is a tool to explore, extract, repair and forensic FAT filesystem.
 Its features:
     - Get information about FAT filesystem;
     - Explore FAT file system;
     - Read file or extract directories;
     - Retrieve file & directories that are deleted;
     - Backup & restore the FAT tables;
     - Hack the FAT table by writing on it;
     - Hack the entries by changing clusters and file sizes;
     - Perform a search for orphaned files & directories;
     - Compare and merge the FAT tables;
     - Repair unallocated directories & files;
     - Supports FAT12, FAT16 and FAT32.