GLib Input, Output and Streaming Library (library) GIO is the input, output and streaming API of glib. It on the one hand provides a set of various streaming classes to access data from different sources in a convenient way and on the other hand it provides a high level file system abstraction to access file and directories not only local but also on the network. For the latter you need to install gvfs. This is a temporary packages until gio gets merged into glib. GIO ported to Maemo by Philip Van Hoof.