Add Killing A Frozen SSH Session as a zsh til.

README.md

@@ -59,6 +59,7 @@ smart people at [Hashrocket](http://hashrocket.com/).
 ### zsh
 
 - [Clear The Screen](zsh/clear-the-screen.md)
+- [Killing A Frozen SSH Session](zsh/killing-a-frozen-ssh-session.md)
 - [Search History](zsh/search-history.md)
 - [Where Are The Binaries?](zsh/where-are-the-binaries.md)
 

zsh/killing-a-frozen-ssh-session.md

@@ -0,0 +1,14 @@
+# Killing A Frozen SSH Session
+
+Whenever an SSH session freezes, I usually mash the keyboard in desperation
+and then kill the terminal session. This can be avoided though. SSH will
+listen for the following kill command:
+
+```
+~.<cr>
+```
+
+This will kill the frozen SSH session and leave you in the terminal where
+you were before you SSH'd.
+
+source: [Jack C.](http://hashrocket.com/team/jack-christensen)