.vimrc

syntax on
set ts=4 sw=4
set number

nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

set splitbelow
set splitright

map <F2> :vsp<CR>
map <F3> :sp<CR>

map <F4> :!xclip -f -sel clip<CR>
map <F5> :-1r !xclip -o -sel clip<CR>

set relativenumber
set autoindent
set ruler
set backspace=indent,eol,start
set smartindent
set smarttab

noremap <C-S> <esc>:w<CR>
vnoremap <C-S> <esc>:w<CR>
inoremap <C-S> <esc>:w<CR>

autocmd FileType python nnoremap <buffer> <C-B> :exec '!python' shellescape(@%, 1)<cr>
nnoremap # :s/^/# /<cr>:noh<cr>
vnoremap # :s/^/# /<cr>:noh<cr>
nnoremap -# :s/^# //<cr>:noh<cr>
vnoremap -# :s/^# //<cr>:noh<cr>