[Koha] Koha 3.0 as a Digital Library

Dear collegues, I instlled koha3.0 successfully on ubuntu 8.4 and working smoothly.But i want to use koha as a digital library.Is koha have feature to upload full text(PDF etc) and seach full text?.Because it based on zebra indexing, can zebra index the full text and can we search full text throgh OPAC. -- Shri Ram Pandey IKM Trainee NCSI,Indian Institute Of Science,Bangalore Official mail: shriram@ncsi.iisc.ernet.in "Imagine a world in which every single person on the planet is given free access to the sum of all human knowledge. ''