.vimrc

syntax on

set noerrorbells
set tabstop=4 softtabstop=4
set shiftwidth=4
set expandtab
set smartindent
set nu
set nowrap
set smartcase
set noswapfile
set nobackup
set undodir=~/.vim/undodir
set incsearch

set colorcolumn=80
highlight ColorColumn ctermbg=0 guibg=lightgrey
set background=dark

nnoremap <F2> :set invpaste paste?<CR>
set pastetoggle=<F2>
set showmode