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This article traces the origins of vi from early line editors on Unix, explains why its modal design and H‑J‑K‑L navigation persist, and introduces the concise verb‑modifier‑noun command syntax that makes vi/vim a powerful, efficient tool for programmers.
The article traces vi’s origins from early PDP‑11 line editors through Bill Joy’s creation of ex and the birth of vi, explains its HJKL cursor keys, mode‑based command syntax, common editing commands, and shows how mastering vi/vim yields a powerful, keyboard‑centric editing environment still beloved by developers.
This article recounts Ken Thompson’s 1975 teaching stint at Berkeley, the emergence of Bill Joy’s contributions to Unix, and explains vi/vim’s core command structure—operators, motions, and modifiers—illustrating how mastering these fundamentals transforms the editor from daunting to powerful.