Title : Tmux mastery Author: Solène Date : 05 July 2018 Tags : unix shell Tips for using Tmux more efficiently ### Enter in copy mode By default Tmux uses the emacs key-bindings, to make a selection you need to enter in `copy-mode` by pressing Ctrl+b and then [ with Ctrl+b being the tmux prefix key, if you changed it then do the replacement while reading. If you need to quit the copy-mode, type **Ctrl+C**. ### Make a selection While in copy-mode, selects your start or ending position for your selection and then press Ctrl+Space to start the selection. Now, move your cursor to select the text and press Ctrl+w to validate. ### Paste a selection When you want to paste your selection, press Ctrl+b ] (you should not be in copy-mode for this!). ### Make a rectangle selection If you want to make a rectangular selection, press Ctrl+space to start and immediately, press R (capitalized R), then move your cursor and validate with Ctrl+w. ### Output the buffer to X buffer Make a selection to put the content in tmux buffer, then type tmux save-buffer - | xclip You may want to look at xclip (it's a package) man page. ### Output the buffer to a file tmux save-buffer file ### Load a file into buffer It's possible to load the content of a file inside the buffer for pasting it somewhere. tmux load-buffer file You can also load into the buffer the output of a command, using a pipe and - as a file like in this example: echo 'something very interesting' | tmux load-buffer - ### Display the battery percentage in the status bar If you want to display your battery percentage and update it every 40 seconds, you can add two following lines in `~/.tmux.conf`: set status-interval 40 set -g status-right "#[fg=colour155]#(apm -l)%% | #[fg=colour45]%d %b %R" This example works on OpenBSD using **apm** command. You can reuse this example to display others informations.