DVDs are based on the UDF format and CD-R and CD-RW disks use UDF as an optional second standard. UDF, defined by the Optical Technology Storage Association (OTSA), is a subset of ISO 13346, an interchange standard for non-sequential recording of data.
The user interface or humanâmachine interface is the part of the machine that handles the humanâmachine interaction. Membrane switches, rubber keypads and touchscreens are examples of the physical part of the Human Machine Interface which we can see and touch.
CLI, command line interface - a user interface in which you type commands instead of choosing them from a menu or selecting an icon. graphical user interface, GUI - a user interface based on graphics (icons and pictures and menus) instead of text; uses a mouse as well as a keyboard as an input device.