vim

VIM (VIsual editor iMproved) is an updated and improved version of the vi editor. Vi was the first real screen-based editor for UNIX, and is still very popular. VIM improves on vi by adding new features: multiple windows, multi-level undo, block highlighting and more. VIM-X11 is a version of the VIM editor which will run within the X Window System. If you install this package, you can run VIM as an X application with a full GUI interface and mouse support.