Byobu
From James's Wiki
Put the following in your $HOME/.byobu/.tmux.conf:
set -g default-shell /usr/bin/zsh
set -g default-command /usr/bin/zsh
byobu-enable
Put the following in your $HOME/.byobu/.tmux.conf:
set -g default-shell /usr/bin/zsh
set -g default-command /usr/bin/zsh
byobu-enable