cheat sheets.

$ cheat ls
--- ls version 1	Fri Mar 14 04:12:28 +0000 2008
+++ ls version 2	Sun May 04 22:42:42 +0000 2008
@@ -1,3 +1,2 @@
-LS_COLOR environment variable defines the colors used in a directory listing for
-defined files types.
+*
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