.xls : http://amiworks.co.in/talk/readingparsing-excel-spreadsheet-using-php/
.xlsx : http://phpexcel.codeplex.com/
http://phpexcel.codeplex.com/wikipage?title=Examples&referringTitle=FAQ&ProjectName=phpexcel
.xls : http://amiworks.co.in/talk/readingparsing-excel-spreadsheet-using-php/
.xlsx : http://phpexcel.codeplex.com/
http://phpexcel.codeplex.com/wikipage?title=Examples&referringTitle=FAQ&ProjectName=phpexcel
http://www.php.net/manual/en/ref.zip.php
http://www.debianhelp.co.uk/tools.htm
http://www.webupd8.org/2010/04/what-to-do-after-fresh-ubuntu-install.html