Where Vim Came From


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cites Bits of History on 6/22/2020, 5:19:20 PM

excerpt The video terminal that Joy was using was a Lear Siegler ADM-3A, which had a keyboard with no cursor keys. Instead, arrows were painted on the h, j, k, and l keys, which is why Joy used those keys for cursor movement in vi. The escape key on the ADM-3A keyboard was also where today we would find the tab key, which explains how such a hard-to-reach key was ever assigned an operation as common as exiting a mode on 6/22/2020, 5:31:12 PM