config FUSE_FS tristate "FUSE (Filesystem in Userspace) support" help With FUSE it is possible to implement a fully functional filesystem in a userspace program. There's also a companion library: libfuse2. This library is available from the FUSE homepage: although chances are your distribution already has that library installed if you've installed the "fuse" package itself. See for more information. See for needed library/utility version. If you want to develop a userspace FS, or if you want to use a filesystem based on FUSE, answer Y or M. config CUSE tristate "Character device in Userspace support" depends on FUSE_FS help This FUSE extension allows character devices to be implemented in userspace. If you want to develop or use a userspace character device based on CUSE, answer Y or M.