1  –  WINDOW

    Shrinks the current window.

    Format

      SHRINK WINDOW  line-count

1.1  –  Parameter

 line-count
    Indicates the number of screen lines you want to subtract from the
    current window. The maximum size of a window depends on the size
    and type of the terminal screen you are using. The minimum size is
    one line of text and one line for the status line.