How to unlock a locked SSH terminal accidentally by ctrl-s on Linux? Posted on Mar 24, 2018 by Eric Ma In QAI find I sometimes lock the SSH terminal accidentally by ctrl-s on Linux. How to unlock/unfreeze it? Ctrl-s: lock the SSH terminal.Ctrl-q: unlock the SSH terminal.Read more:How to rearrange Alt, Ctrl and Win keys on Linux: Win as Alt and Ctrl/Alt as Ctrl How to Turn GNOME terminal to a Pop-up Terminal How to print a plain text file to printers from a terminal in Linux How to swap alt and ctrl on Linux for Emacs? How to map Win key to Ctrl on Linux? How to turn the space bar to another ctrl key? How to Copy Output of Commands in a Linux Terminal to X Selection or Clipboard Trap Ctrl-C in a Bash script