Library system

Library system is a central organization created to manage and coordinate operations and services in or between different centers, buildings or libraries branches and libraries patrons. It uses a Library classification to organize their volumes and nowadays also uses a Integrated library system, an enterprise resource planning system for a library, used to track items owned, orders made, bills paid, and patrons who have borrowed. Many counties, states or Universities have developed their own libraries systems, among them can be named Los Angeles Public Library System,Harvard Library System,.

Most of counties of every country have their own library systems that usually have between 10 to 30 libraries on every city of their counties, some of them are; London Public Library on Canada with 16 library branches, Helsinki Metropolitan Area Libraries, in Finland, with 63 libraries, and some countries, like Venezuela has only one library system for the whole country as is National Library of Venezuela with 685 branches. In the United States can be named Boston Public Library System, New York Public Library System, District of Columbia Public Library System, among others.