--- a/cygwin.rst	Mon Feb 07 21:38:26 2011 +0200
+++ b/cygwin.rst	Mon Feb 07 21:46:29 2011 +0200
@@ -43,6 +43,15 @@
   http://cygwinports.blogspot.com
                 official blog??
 
+* Which Cygwin version you run?
+
+  $ uname -r
+1.7.7(0.230/5/3)
+  $ cygcheck -c cygwin
+Cygwin Package Information
+Package              Version        Status
+cygwin               1.7.7-1        OK
+
 * Users and groups.
 
 ** Recreate /etc/passwd and /etc/groups.