Two Decades of Excellence: Vim Turns 20!

“For those who aren’t familiar with it, Vim is short for Vi
Improved. Vim is actually a take on the even-older vi, the text
editor written for Unix by Bill Joy. To prove that nearly all
developments in computer science are iterative, vi is from the
“visual” /mode of Joy’s line editor, ex. And ex built on em, and so
forth.

It might sound weird these days to call a text-based editor
“visual,” but in the early days of Unix text editing was downright
primitive.

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