Start tmux with preconfigured windows and panes.

work.sh

#!/bin/sh

# Setup a work space called `work` with four windows

session="work"

# set up tmux
tmux start-server

# create a new tmux session with <NAME>
tmux new-session -d -s $session -n servers

# Select pane 1, set dir to <PROJECT NAME>
tmux selectp -t 1 
tmux send-keys "cd ~/path/to/project" C-m 

# Select pane 2 
tmux splitw -h
tmux send-keys "cd ~/path/to/project" C-m 

# create a new window called <PROJECT NAME>
tmux new-window -t $session:2 -n <PROJECT NAME>
tmux send-keys "cd ~/path/to/project" C-m 
tmux send-keys "vim ." C-m 

# create a new window called <PROJECT NAME>
tmux new-window -t $session:3 -n <PROJECT NAME>
tmux send-keys "cd ~/path/to/project" C-m 
tmux send-keys "vim ." C-m 

# create a new window called <PROJECT NAME>
tmux new-window -t $session:4 -n scratch

# return to main servers window
tmux select-window -t $session:1

# Finished setup, attach to the tmux session!
tmux attach-session -t $session