The GNU screen is unresponsive, seems blocked

Question

GNU Screen seems to freeze. Unable to enter user input.

I was using GNU screen and when I pressed the screen it became unresponsive. I can execute all the GNU screen c

Answer 1

When using PuTTY, you can get an apparently freezed screen if you press Ctrl+s. This sends an Xoff signal blocking the terminal's output.

The solution is to press Ctrl+q to send the Xon signal.