vi, Vim, and friends
Vim is just one of many derivatives of the original vi that Bill Joy released back in 1976. Some have a feature list very close to that of vi, while others have chosen to add a wide variety of new features. Vim belongs to the group of vi clones that has chosen to add extra features. In the next section, we will introduce some of the better-known clones of vi and briefly describe the distinct features that each clone has.
vi is the original root of the Vim family tree. It was created by Bill Joy in 1976 for one of the earlier versions of Berkeley Software Distribution (BSD). The editor was an extension of the most common editor at that time, ex. Ex was, in turn, an extension of the Unix editor ed. The name "vi" is actually ...