Tmux Popup (Floating Window) - Linux TUI

requires tmux 3.2+

commands used: tmux -V env | grep -i tmux bind-key -n C-M-Space display-popup -w 80% -E "ls |fzf" bind-key Tab display-popup -w 80% -E "/path/to/script"

 display-popup [-CE] [-c target-client] [-d start-directory] [-h height] [-t target-pane] [-w width] [-x position] [-y position]
  [shell-command]
 (alias: popup)
  Display a popup running shell-command on target-client.  A popup is a rectangular box drawn over the top of any panes.  Panes are
  not updated while a popup is present.

  -E closes the popup automatically when shell-command exits.  Two -E closes the popup only if shell-command exited with success.

  -x and -y give the position of the popup, they have the same meaning as for the display-menu command.  -w and -h give the width
  and height - both may be a percentage (followed by ‘%’).  If omitted, half of the terminal size is used.

  The -C flag closes any popup on the client.

... https://www.youtube.com/watch?v=3TnTHR6lB7Y