Adding a Keyboard Shortcut to VIM

The below example will show you how to use Ctrl + k as a keyboard shortcut to execute the following key sequence when you are in insert mode : <esc>:wq<Enter>

Example

1. open ~/.vimrc file
2. go to the bottom of the file
3. add the following line
   inoremap <C-k> <esc>:wq<Enter>
4. save and close file
5. exit and restart terminal