Screen couldn’t do vertical splits for the longest time. That started to be a bigger problem when screens got bigger and wider. I believe that’s why I started u

Screen couldn’t do vertical splits for the longest time. That started to be a bigger problem when screens got bigger and wider. I believe that’s why I started using tmux. Tmux also has more facilities for automation. Nowadays, screen is primarily in maintenance mode, and I’m used to tmux, so no reason to switch back.