Changelog for perl-IPC-System-Simple-1.20-1.el6.rf.noarch.rpm :

* Tue Jan 12 2010 Christoph Maser - 1.20-1 - 8474/cmr- Updated to version 1.20.
* Wed Dec 23 2009 Christoph Maser - 1.19-1- Updated to version 1.19.
* Wed Jul 08 2009 Christoph Maser - 1.18-1- Initial package. (using DAR)