--- a/cygwin.rst	Tue Aug 03 12:19:54 2010 +0300
+++ b/cygwin.rst	Tue Aug 03 12:20:07 2010 +0300
@@ -85,3 +85,8 @@
 cygcheck use such link:
 
   http://cygwin.com/cgi-bin2/package-grep.cgi?grep=REGEX
+
+* Cygwin installation info.
+
+  $ uname -a
+  $ cygcheck -s -r