Untitled

:set visualbell
:set noerrorbells
imap jk <Esc>

:set clipboard+=unnamed
:set number

:augroup numbertoggle
:  autocmd!
:  autocmd BufEnter,FocusGained,InsertLeave,WinEnter * if &nu && mode() != "i" | set rnu   | endif
:  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * if &nu                  | set nornu | endif
:augroup END

nmap <S-Enter> O<Esc>
nmap <CR> o<Esc>
unmap <C-c>