send the input to many ttys simultaneously

[sakazuki]

Hello. screen users.

I have to manage many servers.
I want to input on a screen tty and send the input to another screen
ttys simultaneously.
Is it possible on the screen to do this?

this function is useful in the below case...
  to collect the informations from many servers.
  to setup the applications to many servers.
  to add hostname to /etc/hosts to many servers.
  other....

Thank you for the great software.

--
sakazuki