Disable annoying bell in Gnome Terminal, vim, xterm, etc?

[ Thanks to An Anonymous Reader for this link. ]

We’ll hear it when we reach the end of a line, we’ll
hear it when we hit tab to complete a word and there’s more than
one choice, in about 2 minutes you won’t hear it anymore.

It’s the simplest thing to do but we never look into it –
because most of the time when the bell goes off we’re in the middle
of something else.

Complete Story