When [Bill Joy] created the vi text editor he used the [ADM-...
When [Bill Joy] created the vi text editor he used the [ADM-...

When Bill Joy created the vi text editor he used the ADM-3A terminal, which had the arrows on hjkl keys. Naturally he reused the same keys and the rest is history.

catonmat.net
Here Is Why Vim Uses HJKL Keys as Arrow Keys
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www.joshbeckman.org/notes/700937667