>Another useful comlink program is UNTALK. UNTALK is similar to TALK but does not work across machines. However, on a display terminal, UNTALK splits the screen horizontally and allows the two people to type at the same time on their part of the screen.
https://dspace.mit.edu/bitstream/handle/1721.1/41180/AI_WP_2...
>Another useful comlink program is UNTALK. UNTALK is similar to TALK but does not work across machines. However, on a display terminal, UNTALK splits the screen horizontally and allows the two people to type at the same time on their part of the screen.