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I am trying to install Library system for university library, it is fairly small. as I am facing difficulties installing yaz as well as zebra. is it really important to install them?<br />
<br />
what are these, is it search engine, if yes does it used to speed up each query or it is search engen itself. how much is it important to be installed?<br />
<br />
thanks 
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I am trying to install Library system for university library, it is fairly small. as I am facing difficulties installing yaz as well as zebra. is it really important to install them?

what are these, is it search engine, if yes does it used to speed up each query or it is search engen itself. how much is it important to be installed?

thanks 

what is Zebra and Yaz

Perl is a high-level, general-purpose, interpreted, dynamic programming languages with over 25 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large-scale development projects.  Perl gained widespread popularity as a Common Gateway Interface (CGI) scripting language, in part due to its regular expression and string parsing abilities. In addition to CGI, Perl is used for graphics programming, system administration, network programming, finance, bioinformatics, and other applications.