ADM-3A Terminal
By Xah Lee. Date: . Last updated: .
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
Manual
HJKL keys and vi
Hacker Lore Keyboards
- IBM Selectric. 1961
- IBM 5251 Keyboard. 1977
- IBM 5100 (year 1975)
- IBM Portable PC Computer 5155 model 68 (year 1984)
- Apple Macintosh Keyboard M0110, Year 1984
- Space Cadet Keyboard
- ADM-3A Terminal
- DEC VT100 Terminal
- IBM Model M keyboard (1985)
- Sun Microsystems Type 6 Keyboard
- Happy Hacking Keyboard (HHKB)