The Vim editor (or Vi IMproved) was first released by Bram Moolenaar in November 1991 as a clone of the Unix vi editor for the Amiga platform.
The first release of Vim for the Unix platform was out a year later, and it started to become an alternative to the vi editor right away.
The combination of a more liberal licensing model, and the fact that Vim started to become a superset of vi's functionality resulted in it becoming progressively more popular with the open source community. Soon more and more Linux distributions started adopting Vim as an alternative to vi. Even if the users thought they used vi (if they actually executed the
vi command), they opened Vim (the
vi command had simply been substituted with ...