5 tips to improve your vim

.vimrc

" 1) W isn't mapped by default
command! W :w

" 2) force minimun window width
set winwidth=110

" 3) navigate by display lines
noremap j gj
noremap k gk

" 4) switch splits easily
nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-h> <c-w>h
nnoremap <c-l> <c-w>l

" 5) better searches
set hlsearch
set incsearch
set ignorecase
set smartcase

nnoremap <CR> :nohlsearch<cr>