This document provides an introduction to the Koha integrated library system (ILS) from a Pakistani perspective. It discusses the history and growth of free and open source software (FOSS) movements in library science in Pakistan, including early adoption of software like Greenstone and Zebra. It describes key concepts in library software systems and outlines the components and architecture of Koha, including its use of Linux, MySQL, Apache, and Perl. Installation of Koha on a local area network with multiple libraries is depicted. Useful Koha resources are provided.