C-b :
capture-pane -S -
C-b :
save-buffer filename.txt
https://unix.stackexchange.com/questions/26548/write-all-tmux-scrollback-to-a-file
C-b :
capture-pane -S -
C-b :
save-buffer filename.txt
https://unix.stackexchange.com/questions/26548/write-all-tmux-scrollback-to-a-file