... vi Clones, describes three other popular vi clones: nvi, elvis, and vile.Chapter 16, nvi: New vi, Chapter 17, Elvis, and Chapter 18, vile: vi Like Emacs, coverthe various vi clones—nvi, elvis, ... PrefaceAppendix A, The vi, ex, and Vim Editors, lists all vi and ex commands, sorted by func-tion. It also provides an alphabetical list of ex commands. Selected vi and ex commandsfrom Vim are also included.Appendix ... nvi, elvis, and vile has been brought up-to-date.• The previous edition s two reference appendixes on ex and vi have been condensedinto one and now contain selected additional material on Vim. •...