Source: F9, Help - Quick Start Guide
Byobu is a suite of enhancements to tmux, as a command line
tool providing live system status, dynamic window management,
and some convenient keybindings:
F1 * Used by X11 *
Shift-F1 Display this help
F2 Create a new window
Shift-F2 Create a horizontal split
Ctrl-F2 Create a vertical split
Ctrl-Shift-F2 Create a new session
F3/F4 Move focus among windows
Alt-Left/Right Move focus among windows
Alt-Up/Down Move focus among sessions
Shift-Left/Right/Up/Down Move focus among splits
Shift-F3/F4 Move focus among splits
Ctrl-F3/F4 Move a split
Ctrl-Shift-F3/F4 Move a window
Shift-Alt-Left/Right/Up/Down Resize a split
F5 Reload profile, refresh status
Alt-F5 Toggle UTF-8 support, refresh status
Shift-F5 Toggle through status lines
Ctrl-F5 Reconnect ssh/gpg/dbus sockets
Ctrl-Shift-F5 Change status bar's color randomly
F6 Detach session and then logout
Shift-F6 Detach session and do not logout
Alt-F6 Detach all clients but yourself
Ctrl-F6 Kill split in focus
F7 Enter scrollback history
Alt-PageUp/PageDown Enter and move through scrollback
Shift-F7 Save history to $BYOBU_RUN_DIR/printscreen
F8 Rename the current window
Ctrl-F8 Rename the current session
Shift-F8 Toggle through split arrangements
Alt-Shift-F8 Restore a split-pane layout
Ctrl-Shift-F8 Save the current split-pane layout
F9 Launch byobu-config window
Ctrl-F9 Enter command and run in all windows
Shift-F9 Enter command and run in all splits
Alt-F9 Toggle sending keyboard input to all splits
F10 * Used by X11 *
F11 * Used by X11 *
Alt-F11 Expand split to a full window
Shift-F11 Zoom into a split, zoom out of a split
Ctrl-F11 Join window into a vertical split
F12 Escape sequence
Shift-F12 Toggle on/off Byobu's keybindings
Alt-F12 Toggle on/off Byobu's mouse support
Ctrl-Shift-F12 Mondrian squares
/usr/share/doc/byobu/help.tmux.txt (END)