Linux Screen | Run 2 terminals in 1

sudo apt-get install screen

Run screen

ctrl-a then |  to split vertically

ctrl-a then S to split horizontally

ctrl-a then tab to switch screens

ctrl-a then c to create a new command prompt

ctrl-a then Q to unsplit

ctrl-a then \ to quit


For additional help
https://www.youtube.com/watch?v=I4xVn6Io5Nw