Transfer files through the tmux scrollback buffer to setup the scrollback buffer size, add the following to ~/.tmux.conf set-option -g history-limit 104857600

To transfer files between machines:

1. on localhost start tmux
2. in tmux ssh to remote host
3. copy tmux-file-transfer using copy/paste
4. run ./tmux-file-transfer --send file_or_dir_to_send
5. on another terminal on localhost: run ./tmux-file-transfer --receive tmux_transfer.tar.gz