Tilton Raccoon @tilton@fursuits.online
Public

Ever wonder why the "vi" editor uses H, J, K, and L keys for cursor navigation, and why Unix shells traditionally use "~" as an alias for the home directory?

The ADM-3A terminal was a very popular and inexpensive Unix terminal in the 1970s. Notice where the arrow keys are, and where the "~" key is? It influenced a lot!

A close-up picture of an ADM 3a terminal keyboard. The left arrow label is above the "H" key, the down arrow label is above the "J" key, the up arrow label is above the "K" key, and the right arrow label is above the "L" key. In the top right, a single key is labeled with a circumflex, a tilde, and the word "HOME".
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