From RedHat

Ctrl+B D — Detach from the current session. Ctrl+B % — Split the window into two panes horizontally. Ctrl+B “ — Split the window into two panes vertically. Ctrl+B Arrow Key (Left, Right, Up, Down) — Move between panes. Ctrl+B X — Close pane. Ctrl+B C — Create a new window. Ctrl+B N or P — Move to the next or previous window. Ctrl+B 0 (1,2…) — Move to a specific window by number. Ctrl+B : — Enter the command line to type commands. Tab completion is available. Ctrl+B ? — View all keybindings. Press Q to exit. Ctrl+B W — Open a panel to navigate across windows in multiple sessions.

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