Putty screen freeze due to CTRL + S.


"Every time I accidentally press Ctrl + S in Putty when connected to any Solaris box via SSH, my session stops responding. How do I restore it?"

The reason:
Apparently CTRL+S actually does XOFF, which means the terminal will accept key strokes but won’t show the output of anything. It will appear as if your terminal is dead when it’s really just waiting to be turned back on. The fix? Simply press CTRL+Q to turn flow-control on (XON).

Important Note: All / Any keys you hit after hitting ctrl + s will be Buffered and Sent when you hit ctrl + q.
Warning: Don't send harmful commands. Because if you hit ENTER, it gets buffered too. All those commands WILL BE SENT and EXECUTED.

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