ADM-3A Terminal
ADM-3A terminal
ADM-3A Terminal, first shipped in 1976.
This is the machine that begot the vi editor.
Keyboard
Interesting notes:
- Note the arrow keys over H J K L
- Note the position of the Esc key.
- Note the position of Ctrl.
- Note the colon key : without needing to hold shift. That's why vi uses it.
- Note Home and ~ key. That's why a tilde
~represent home directory in unix systems.
layout
This machines is how vi's key began.
number pad
