What is “nvi” Package?

44BSD re-implementation of vi
For more details: https://sites.google.com/a/bostic.com/keithbostic/vi/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install nvi.

  brew install nvi

Now, use nvi!