tmux is a tool for ssh that allows you to preserve your session on the server even if you exit.
Below are some commonly used tmux commands:
yum -y install tmux
tmux new -t sessionname
tmux attach -t sessionname
tmux ls
Inside tmux, press ctrl+b to enter command mode
: d Leave the tmux environment
: x Close the current panel
: c Create a new window
: n Next window
: " Split window horizontally
: % Split window vertically
: 0-9 Specify window
You can use man tmux to view common help.