The two main computer user interfaces are the command line interface (CLI), as exemplified by UNIX commands, and the graphical user interface (GUI), as exemplified by the Windows XP or Apple's OS X operating systems. For someone with limited motoric abilities, each type of interface has its advantages and disadvantages. List and compare the advantages and disadvantages of CLI and GUI. Under what circumstances and for what kinds of disabilities would the CLI be superior to or be preferred over the GUI?