Possibly, OS/2 co-development started in 1985, which is the same year IBM released the a keyboard with arrow keys. Of course, that assumes it came from a place

Possibly, OS/2 co-development started in 1985, which is the same year IBM released the a keyboard with arrow keys. Of course, that assumes it came from a place of corporate strategy rather than individual habit, which could have been learned from other older systems. https://en.wikipedia.org/wiki/IBM_PC_keyboard https://en.wikipedia.org/wiki/IBM_PC_keyboard