Why is pasting a long one-liner very slow in Vim's insert mode?

Question

My Macbook was stuck yesterday, when I tried to paste 1200 lines of 80 characters to Vim. It was much faster to download the file, and not to paste the text.

I have

Answer 1

:read !pbpaste

If you are using Linux use:

xsel --clipboard --output

or:

xclip -selection clipboard -o

instead of pbpaste.