Posts about tmux
Here's a neat trick: Setting the current tmux window/pane title to the current running command. In case there is no command running, show the current working directory. But trim it a little, so we don't end up with huge window titles :)
In your config.fish file add the following functions:
# Set the tmux window title, depending on whether we are running something, or just prompting function fish_title if [ "fish" != $_ ] tmux rename-window "$_ $argv" else ...