how to install letodms in linux

[sappu]

no...in root dir of letodms i have only core directory..and core dir is empty...i didnot found core.php in letodms
..what to do next

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i searched and found..

#locate Core.php

/var/www/html/ZendFramework-1.11.11-minimal/library/Zend/Cache/Core.php
/var/www/html/ZendFramework-1.11.11-minimal/library/Zend/Gdata/DublinCore.php
/var/www/html/zf/Zend/Cache/Core.php
/var/www/html/zf/Zend/Gdata/DublinCore.php
/var/www/html/zf/library/Zend/Cache/Core.php
/var/www/html/zf/library/Zend/Gdata/DublinCore.php

but not in letodms folder