[ubuntu] Byobu

F2 - Create a new window
F3 - Move to previous window
F4 - Move to next window
F6 - Detach from this session
F7 - Enter copy/scrollback mode
F8 - Re-title a window
F9 - Configuration Menu
F12 - Lock this terminal

alt + page up 往上捲動視窗
alt + page down 往下捲動視窗

Q: Putty 中使用Byobu F2~F4無效 
Ans: "Terminal" -> "Keyboard" -> "The Function keys and keypad" 選用 "Xterm R6" 便可。