This tutorial will get you started with using Telit-Cinterion Module flash file systems for storing your own files.
Module families with FFS access available
List contents of and free space on FFS, along with file/directory stats
Create a new Directory on FFS
Remove an existing Directory from FFS
Open / Create a new File on FFS
Close an open File on FFS
Rename an existing closed File / Directory on FFS
Remove an existing File from FFS
Writing to an existing File on FFS (Sequential and Random Access)
Reading from an existing File on FFS (Sequential and Random Access)