 Audio files are previewed (played back over GStreamer) when the pointer is hovering over them.In earlier versions, Nautilus included original vectorized icons designed by Susan Kare.GNOME Files relies on a file system abstraction layer (provided by GVfs) to browse local and remote file systems, including but not limited to FTP sites, Windows SMB shares, OBEX protocol (often implemented on cellphones), files transferred over shell protocol, HTTP and WebDAV and SFTP servers.