BASIC

tmux commands

# List Existing Sessions
tmux ls

# Start New Session With Name
tmux new -s <Session Name>

# Attach To An Existing Session
tmux attach-session -t <Session Name>

# Detach From The Current Session
Ctrl+B D

tmux basic commands

Ctrl+b c Create a new window (with shell)
Ctrl+b w Choose window from a list
Ctrl+b 0 Switch to window 0 (by number )
Ctrl+b , Rename the current window
Ctrl+b % Split current pane horizontally into two panes
Ctrl+b " Split current pane vertically into two panes
Ctrl+b o Go to the next pane
Ctrl+b ; Toggle between the current and previous pane
Ctrl+b x Close the current pane

start tmux with command

tmux new-session -d -s my_session 'ruby run.rb'