How to rename a pane in tmux ?
tmux
Do you mean tmux window? Ctrl + b + , if you have C-b as send prefix (it's by default)
Ctrl + b + ,
Also C-b :rename-window <new name> and tmux rename-window <new name> work too.
C-b :rename-window <new name>
tmux rename-window <new name>
As I know you can't rename pane
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