GUI Interfaces (Learning the vi Editor, Sixth Edition) 8.3. GUI Interfaces elvis, vim, and vile also provide graphical user interface (GUI) versions that can take advantage of a bit-mapped display and mouse. Besides supporting X Windows under UNIX, support for MS-Windows or other windowing systems may also be available. Table 8.1 summarizes the available GUIs for the different clones. Table 8.1. Available GUIs Editor X11 MS-Windows OS/2 BeOS Macintosh Amiga elvis       vim vile       8.2. Multiwindow Editing8.4. Extended Regular Expressions Copyright © 2003 O'Reilly & Associates. All rights reserved.