Installable File System (IFS) is a mechanizm of custom file system type support. It allow osFree access to files stored on corresponding file system without recompilation of different parts of OS.

IFS consist of 3 parts:

• MicroFSD
• IFS
• File system utils support library

MicroFSD is a micro file system driver which allow to access filesystem for lowlevel services like boot loader or kernel loader. IFS provides access for high-level components like file server and so on. File system utillities support library provides set of service funtion like file system check and recovery tools.