VIP uses
vip-command-mode-map as the local keymap
for vi mode. For example, in vi mode, <SPC> is bound to the
function vip-scroll. But, if you wish to make
<SPC> and some other keys behave like Vi, you can include
the following lines in your .vip file.
(define-key vip-command-mode-map "\C-g" 'vip-info-on-file)
(define-key vip-command-mode-map "\C-h" 'vip-backward-char)
(define-key vip-command-mode-map "\C-m" 'vip-next-line-at-bol)
(define-key vip-command-mode-map " " 'vip-forward-char)
(define-key vip-command-mode-map "g" 'vip-keyboard-quit)
(define-key vip-command-mode-map "s" 'vip-substitute)
(define-key vip-command-mode-map "C" 'vip-change-to-eol)
(define-key vip-command-mode-map "R" 'vip-change-to-eol)
(define-key vip-command-mode-map "S" 'vip-substitute-line)
(define-key vip-command-mode-map "X" 'vip-delete-backward-char)