ctrl-s froze VI

[Dave Smith]

And now the "why" behind the answer:

   http://www.cygwin.com/ml/cygwin/2004-04/msg00854.html

> ctrl-q
>
> On Wed, 12 Oct 2005 at 12:45 -0600, kirk wrote:
>> I pushed ctrl-s and it froze VI.
>> How do I unfreeze it?
>> Please Help.