####################### 屏幕分割 ########################

1. screen
2. Ctrl-a c    # create a new screen
3. switch between screens
      Ctrl-a 0-9  
      Ctrl-a Ctrl-a   
      Ctrl-a "    # list all available screens
4. Ctrl-a S  # split terminal vertically
    Ctrl-a TAB   # switch to another splitted part then use step 3 to select a screen
5. Ctrl-a Q  # return to full size


####################### detach / attach ########################
1. screen
2. Ctrl-a d    # detach, screen exit
3. screen -ls  # list detached sessions
4. screen -r   # reattach session, if there are more than one session, then you need specifies the pid
5. reattach will not restore the splitted windows

http://deep.tw/others/screen/split-vertical.html
Key    Action    Notes
Ctrl+a c     new window     
Ctrl+a n     next window     
Ctrl+a p     previous window     
Ctrl+a “     select window from list     
Ctrl+a Ctrl+a     previous window viewed     
Ctrl+a S     split terminal horizontally into regions     Ctrl+a c to create new window there
Ctrl+a |     split terminal vertically into regions     Requires debian/ubuntu patched screen 4.0
Ctrl+a :resize     resize region     
Ctrl+a :fit     fit screen size to new terminal size     Ctrl+a F is the same. Do after resizing xterm
Ctrl+a :remove     remove region     Ctrl+a X is the same
Ctrl+a tab     Move to next region     
Ctrl+a d     detach screen from terminal     Start screen with -r option to reattach
Ctrl+a A     set window title     
Ctrl+a x     lock session     Enter user password to unlock
Ctrl+a [     enter scrollback/copy mode     Enter to start and end copy region. Ctrl+a ] to leave this mod
Ctrl+a ]     paste buffer     Supports pasting between windows
Ctrl+a >     write paste buffer to file     useful for copying between screens
Ctrl+a <     read paste buffer from file     useful for pasting between screens
Ctrl+a ?     show key bindings/command names     Note unbound commands only in man page
Ctrl+a :     goto screen command prompt     up shows last command entered

screen 基础用法（转）