tmux is an application to manage windows and tabs within a terminal session.
split vertically Ctrl+b "
split horizontally Ctrl+b %
detach Ctrl+b d
find pane Ctrl+b f
scroll and select Ctrl+b ]
resize
bind-key -r -T prefix M-Up resize-pane -U 5
bind-key -r -T prefix M-Down resize-pane -D 5
bind-key -r -T prefix M-Left resize-pane -L 5
bind-key -r -T prefix M-Right resize-pane -R 5
bind-key -r -T prefix C-Up resize-pane -U
bind-key -r -T prefix C-Down resize-pane -D
bind-key -r -T prefix C-Left resize-pane -L
bind-key -r -T prefix C-Right resize-pane -R