Here's a useful one: cnoremap sudow w !sudo tee % >/dev/null Or from inside your editing session: :w !sudo tee % > /dev/null For when you find you've edited

Here's a useful one: cnoremap sudow w !sudo tee % >/dev/null Or from inside your editing session: :w !sudo tee % > /dev/null For when you find you've edited a file you don't own (e.g. config file) and forgot to sudo first.