My tmux conf, must start using "tmux attach" :(

.tmux.conf

#!/usr/bin/tmux source-file

bind-key C-o select-pane -t :.+
bind-key -n C-o select-pane -t :.+
set -g mouse on
bind-key -t emacs-copy MouseDragEnd1Pane copy-pipe "pbcopy"
bind-key -t vi-copy MouseDragEnd1Pane copy-pipe "pbcopy"

new-session -d
split-window -d -t 0 -v
split-window -d -t 0 -h
split-window -d -t 2 -h

#send-keys -t 0 'cd ~/vms/vagrant/' enter
#send-keys -t 1 'cd ~/vms/vagrant/' enter
#send-keys -t 2 'cd ~/vms/vagrant/' enter
#send-keys -t 3 'cd ~/vms/vagrant/' enter

select-pane -t 0

attach