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+====== echo ======
+===== Default Keybindings =====
+None.
+===== Syntax =====
+  * ''**echo** [-n] //message//''
+===== Description =====
+The ''echo'' command may be used to annoy ''screen'' users with a "message
+of the day".  Typically installed in a global /etc/screenrc.  The option
+''-n'' may be used to suppress the line feed.  See also
+''[[commands:sleep]]''.  ''echo'' is also useful for online checking of
+environment variables.
+===== Examples =====
+None yet.
+===== See Also =====
+  * [[:appearance]]

GNU screen