Vim commands I'm trying to learn/remember

Here are some vi/vim commands that I need to remember:

Vim Commands

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:set autoindent

 :syntax on

 :set all                                     (display the value of all options)

 :set number                            (show line numbers)

 :set hlsearch                          (highlight matching search strings)

 :set ignorecase                     (makes searches case insensitive)

 :browse set                            (set options using a screen-based dialog)

 m{letter}                                  (place mark)

 '{letter}                                    (go to mark)

 R ... <Esc>                             (replace characters until <Esc> is hit)

 :split {file}                                (split window)

 CTRL-Wj                                (move up a window)

 CTRL-Wk                               (move down a window)

 CTRL-Wo                               (make the current window the only window)