vim windows

1           CTRL-Wj goes to the next window and CTRL-Wk goes to the preceding one

CTRL-Wt            Go to the top window

CTRL-Wb          Go to the bottom window

CTRL-Wp          Go to the window you were in before you switched to this one

2            CTRL-Wr  command rotates the windows downward 

              CTRL-WR   comand rotates the windows upward

              CTRL-Wx   command exchanges the current window with the next one

3            The  :write command out the current file,If you want to wirte all the files that have been modified ,

use the following command:

:wall

4              The quit command (:quit) closes the current window),If you have multiple windows up,you can quit them

all using this command:

:qall

If you want to perform a combination of :wall and :qall ,use this command:

:wqall

5                 The CTRL-Wo   command makes the current window the only one on the screen

6              If you have specified multiple files on the command line or through the :argument file-list command,

the :all command opens up a window for each file

:unhide      This command can take an argument that limits the number of windows that can be opened at one time.

To unhide all the buffers but put no more than five windows on screen ,for example ,use the following command: