摘要 |
A smart card storage system, which comprises a storage region and a control unit, and a file management method therein. The storage region includes a FAT (File Allocation Table) storage region and a data region for storing files; the FAT storage region contains FAT entries; the data region contains blocks; each FAT entry corresponds to one of the data blocks. The control unit finds FAT entries in the FAT storage region, and has operation on files in the data region, e.g. create, store, update, read, delete and resize(truncate/append),according to the correspondence between FAT entries and data blocks. |